#include <stdio.h>

int main(){
  int hour1,minute1;
  int hour2, minute2;
  scanf("%d %d",&hour1,&minute1);
  scanf("%d %d",&hour2,&minute2);

  int t1=hour1*60+minute1;
  int t2=hour2*60+minute2;
  int t=t2-t1;
  printf("The time different is %d %d",t/60,t/60);

  return 0;
}

#include <stdio.h>

int main(){
  int mynum=10;
  int yournum;
  scanf("%d",&yournum);
  if(mynum==yournum)
    printf("Result True");
  if(yournum<mynum)
    printf("Sorry Smaller");
  else
    printf("Sorry Bigger");

  return 0;
}

#include <stdio.h>

int main(){
  float a, b;
  scanf("%f%f",&a,&b);
  printf("%f%f",b,a);

  return 0;
}

#include <stdio.h>
  int a, b=0;
  for(a=1;a<=100;a++)
  if(a%2==0)
  b=b+a;
  printf("%d",b);

  return 0;
}

#include <stdio.h>
int main(void){
  int fahr, lower, upper;
  float celsius;
  printf("Enter lower:");
  scanf("%d",&lower);
  printf("Enter upper");
  scanf("%d",&upper);

  if(lower<=upper){
    printf("farh celsius");
    for(farh=lower;farh<=upper;farh++){
      celsius=(5.0/9.0)*(farh-32);
      printf("%f%fn");
    }else
      printf("Invalid Value");

  return 0;
}