diff --git a/ContaPessoas.xcodeproj/project.pbxproj b/ContaPessoas.xcodeproj/project.pbxproj
index 9ce30d1..7ca84ed 100644
--- a/ContaPessoas.xcodeproj/project.pbxproj
+++ b/ContaPessoas.xcodeproj/project.pbxproj
@@ -32,6 +32,7 @@
 /* End PBXContainerItemProxy section */
 
 /* Begin PBXFileReference section */
+		1057223C1A97945C00A01055 /* Mostrador.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Mostrador.h; sourceTree = "<group>"; };
 		27A199A01A94B2A8008DC684 /* ContaPessoas.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = ContaPessoas.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		27A199A41A94B2A8008DC684 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		27A199A51A94B2A8008DC684 /* main.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = main.m; sourceTree = "<group>"; };
@@ -107,6 +108,7 @@
 				27A199A31A94B2A8008DC684 /* Supporting Files */,
 				27A199D21A94D1FA008DC684 /* Contador.m */,
 				27A199D41A94D22B008DC684 /* Contador.h */,
+				1057223C1A97945C00A01055 /* Mostrador.h */,
 			);
 			path = ContaPessoas;
 			sourceTree = "<group>";
@@ -438,6 +440,7 @@
 				27A199C81A94B2A8008DC684 /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
 		};
 		27A199C91A94B2A8008DC684 /* Build configuration list for PBXNativeTarget "ContaPessoasTests" */ = {
 			isa = XCConfigurationList;
@@ -446,6 +449,7 @@
 				27A199CB1A94B2A8008DC684 /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
 		};
 /* End XCConfigurationList section */
 	};
diff --git a/ContaPessoas/Contador.h b/ContaPessoas/Contador.h
index 18b7c16..ebb35a7 100644
--- a/ContaPessoas/Contador.h
+++ b/ContaPessoas/Contador.h
@@ -6,13 +6,19 @@
 //  Copyright (c) 2015 Vinicius Miana. All rights reserved.
 //
 
+#import "Mostrador.h"
+
 @interface Contador : NSObject 
 
+@property (nonatomic, weak) id<Mostrador> delegate;
+
 - (void)maisUmCueca;
 - (void)maisUmaGata;
 
 -(int)getBoys;
 -(int)getGirls;
+-(int)getTotal;
 
++(Contador *) instance;
 @end
 
diff --git a/ContaPessoas/Contador.m b/ContaPessoas/Contador.m
index fa64ad8..d51d987 100644
--- a/ContaPessoas/Contador.m
+++ b/ContaPessoas/Contador.m
@@ -4,7 +4,7 @@
 //
 //  Created by Vinicius Miana on 2/18/15.
 //  Copyright (c) 2015 Vinicius Miana. All rights reserved.
-//
+//amanda
 
 #import <Foundation/Foundation.h>
 #import "Contador.h"
@@ -13,22 +13,44 @@
 @implementation Contador {
     int boy;
     int girl;
+    int total;
 }
 
+static Contador *_instance = nil;
+
 -(id)init {
     self = [super init];
     if (self) {
         boy = 0;
         girl = 0;
+    
     }
     return self;
 }
 
++(Contador *)instance{
+    
+    if(_instance == nil)_instance = [[Contador alloc] init];
+    return _instance;
+}
+
+ //+(Contador *)instance{
+////static Contador *sharedContador = nil;
+//static dispatch_once_t onceToken;
+//dispatch_once(&onceToken, ˆ
+//              {
+//                  sharedContador = [[self alloc] init];
+//              }); return sharedContador;}
+
+
 - (void)maisUmCueca {
     boy = boy + 1;
+        [_delegate meninos: (boy) meninas: (girl)  geral:[self getTotal]];
 }
+
 - (void)maisUmaGata {
     girl++;
+         [_delegate meninos: (boy) meninas: (girl)  geral:[self getTotal]];
 }
 
 -(int)getBoys {
@@ -39,7 +61,9 @@ -(int)getGirls {
     return girl;
 }
 
-
+-(int)getTotal {
+    return girl + boy ;
+}
 
 @end
 
diff --git a/ContaPessoas/FirstViewController.m b/ContaPessoas/FirstViewController.m
index fc70dd5..39fb11b 100644
--- a/ContaPessoas/FirstViewController.m
+++ b/ContaPessoas/FirstViewController.m
@@ -19,7 +19,7 @@ @implementation FirstViewController {
 
 - (void)viewDidLoad {
     [super viewDidLoad];
-    contador = [[Contador alloc] init];
+    contador = [Contador instance];
     // Do any additional setup after loading the view, typically from a nib.
 }
 
diff --git a/ContaPessoas/Mostrador.h b/ContaPessoas/Mostrador.h
new file mode 100644
index 0000000..e28afda
--- /dev/null
+++ b/ContaPessoas/Mostrador.h
@@ -0,0 +1,22 @@
+//
+//  Mostrador.h
+//  ContaPessoas
+//
+//  Created by Amanda Guimaraes Campos on 20/02/15.
+//  Copyright (c) 2015 Vinicius Miana. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+@protocol Mostrador <NSObject>
+
+//@required
+
+
+- (void) meninos: (int)b meninas: (int)g  geral:(int)t;
+
+//@optional
+//-(void)optionalDelegateMethodOne;
+//-(void)optionalDelegateMethodTwo:(NSString *)withArgument;
+
+@end
\ No newline at end of file
diff --git a/ContaPessoas/SecondViewController.h b/ContaPessoas/SecondViewController.h
index f907831..da9f4f5 100644
--- a/ContaPessoas/SecondViewController.h
+++ b/ContaPessoas/SecondViewController.h
@@ -7,12 +7,15 @@
 //
 
 #import <UIKit/UIKit.h>
+#import "Mostrador.h"
 
-@interface SecondViewController : UIViewController
+@interface SecondViewController : UIViewController <Mostrador>
 
 @property (weak, nonatomic) IBOutlet UILabel *totalBoys;
 @property (weak, nonatomic) IBOutlet UILabel *totalGirls;
 @property (weak, nonatomic) IBOutlet UILabel *total;
+
+
 - (IBAction)click:(id)sender;
 
 @end
diff --git a/ContaPessoas/SecondViewController.m b/ContaPessoas/SecondViewController.m
index a2a66f5..065c0ac 100644
--- a/ContaPessoas/SecondViewController.m
+++ b/ContaPessoas/SecondViewController.m
@@ -8,6 +8,7 @@
 
 #import "SecondViewController.h"
 #import "Contador.h"
+#import "Mostrador.h"
 
 @interface SecondViewController () {
       Contador *contador;
@@ -19,10 +20,14 @@ @implementation SecondViewController
 
 - (void)viewDidLoad {
     [super viewDidLoad];
-    contador = [[Contador alloc] init];
+     contador = [Contador instance];
+    contador.delegate = self;
+    [self click:self];
 }
 
-
+//-(void) viewDidAppear:(BOOL)animated{
+//    
+//}
 
 - (void)didReceiveMemoryWarning {
     [super didReceiveMemoryWarning];
@@ -34,6 +39,11 @@ - (IBAction)click:(id)sender {
     _totalGirls.text = [NSString stringWithFormat: @"%d", [contador getGirls]];
     _total.text = [NSString stringWithFormat:@"%d", [contador getGirls] + [contador getBoys] ];
 }
-
-
+//delegate
+-(void) meninos:(int)b meninas:(int)g geral:(int)t{
+    NSLog(@"g:%d\ln b:%d\ln t:%d\ln",b,g,t);
+    _totalBoys.text = [NSString stringWithFormat: @"%d", b];
+    _totalGirls.text = [NSString stringWithFormat: @"%d",g];
+    _total.text = [NSString stringWithFormat:@"%d", t];
+}
 @end
diff --git a/ContaPessoasTests/ContaPessoasTests.m b/ContaPessoasTests/ContaPessoasTests.m
index 579bb3f..599be08 100644
--- a/ContaPessoasTests/ContaPessoasTests.m
+++ b/ContaPessoasTests/ContaPessoasTests.m
@@ -21,6 +21,7 @@ - (void)testContaMeninos {
     Contador *c = [[Contador alloc] init];
     [c maisUmCueca];
     XCTAssert(([c getBoys] == 1), @"Pass");
+    XCTAssert(([c getGirls] == 0) , @"Pass");
 }
 
 - (void)testContaMeninas {
@@ -30,5 +31,9 @@ - (void)testContaMeninas {
     XCTAssert(([c getBoys] == 0), @"Pass");
 }
 
+- (void)testTotal {
+    Contador *c = [[Contador alloc] init];
+    XCTAssert(([c getTotal] == 0), @"Pass");
+}
 
-@end
+@end