#include <stdio.h>

int main(void) {
  int n,h,m,t;
  scanf("%d",&n); scanf("%d",&h); scanf("%d",&m); scanf("%d",&t);
  for(int i = 1; i < n; i++){
    m += t;
    while(m > 60){
      m -= 60;
      h++;
    }
    while(h > 24){
      h -= 24;
    }
  }
  printf("%d\n%d\n",h,m);
}