View Code of Problem 56

    import java.util.Scanner;
    public class Main {
    	public static void main(String[] args) {
    		Scanner scan = new Scanner(System.in);
    		int h=scan.nextInt();
          int m=scan.nextInt();
          int s=scan.nextInt();
          int hh=scan.nextInt();
          int mm=scan.nextInt();
          int ss=scan.nextInt();
          int sum=0
          int sum1=h*3600+m*60+s;
           int sum2=hh*3600+mm*60+ss;
          if(sum1>sum2)
             sum=sum1-sum2;
          else
            sum=sum2-sum1;
          
          int h1=sum/3600;
          int m1=(sum%3600)/60;
          int s1=(sum%3600)%60;
          System.out.print(String.format("%d:%2d:%2d",h1,m1,s1));
          
    	}
    }
/*
Main.java:11: error: ';' expected
          int sum=0
                   ^
1 error
*/

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