diff --git a/c# b/c#
new file mode 100644
index 0000000..8304dc0
--- /dev/null
+++ b/c#
@@ -0,0 +1,11 @@
+#include <stdio.h>
+
+int printf(const char *format, ...);
+
+int main(void)
+{
+  int nb = 20;
+ 
+  printf("Hello World !\n");
+  printf("%d\n", nb);
+  printf("%s/%d\n", "Nice", 20);