import java.util.Scanner; public class Main { public static void main(String[] args) { // TODO Auto-generated method stub Scanner scanner=new Scanner(System.in); String[] start=scanner.nextLine().split(":"); String[] end=scanner.nextLine().split(":"); double s=0; double e=0; s=Integer.parseInt(start[0])*3600+Integer.parseInt(start[1])*60+Integer.parseInt(start[2]); e=Integer.parseInt(end[0])*3600+Integer.parseInt(end[1])*60+Integer.parseInt(end[2]); double ans=e-s; System.out.print((int)ans/3600+":"); ans=ans%3600; System.out.printf("%02d:",(int)ans/60); ans%=60; System.out.printf("%02d",(int)ans); } } |
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