SuperReducedString.java

import java.io.*;
import java.math.*;
import java.security.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.function.*;
import java.util.regex.*;
import java.util.stream.*;
import static java.util.stream.Collectors.joining;
import static java.util.stream.Collectors.toList;

public class SuperReducedString {

    // Complete the superReducedString function below.
    static String superReducedString(String s) {
       int i = 1;
       while(i < s.length()) {
            if(s.charAt(i) == s.charAt(i-1)) {
                s = s.substring(0,i-1) + s.substring(i+1);
                i = 0;
            }
            i++;
        }
       if(s.length() == 0){
          return "Empty String"; 
       }else{
           return s;
       }

    }

    public static void main(String[] args) throws IOException {
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));

        String s = bufferedReader.readLine();

        String result = superReducedString(s);

        bufferedWriter.write(result);
        bufferedWriter.newLine();

        bufferedReader.close();
        bufferedWriter.close();
    }
}