import java.util.Scanner;

class TimeCalculator {

public static void main(String[] args) {

System.out.print("Please enter the first time: ");

Scanner in1 = new Scanner(System.in); //Scanner

int time1 = in1.nextInt();

System.out.print("Please enter the second time: ");

Scanner in2 = new Scanner(System.in);

int time2 = in2.nextInt();

int hour1 = time1/100; int min1 = time1 - (hour1*100); //Parsing hour and minute

int hour2 = time2/100; int min2 = time2 - (hour2*100);

int hour_out = 0; int min_out = 0; //Output initialize

if (hour1 <= hour2){ //If first time <= second time

if (min2 >= min1){

hour_out = hour2 - hour1;

min_out = min2 - min1;

}

else {

hour2 -= 1;

min2 += 60;

hour_out = hour2 - hour1;

min_out = min2 - min1;

}

}

else { //If first time > second time

if (min2 >= min1) {

hour2 = 24 + hour2;

hour_out = hour2 - hour1;

min_out = min2 - min1;

}

else {

hour2= 24 + hour2 - 1;

min2 += 60;

hour_out = hour2 - hour1;

min_out = min2 - min1;

}

}

System.out.print("The duration between these two times is " + hour_out + " hours " + min_out + " minutes.");

}

}