#include <stdio.h>
main(void){int n,h,m,t; scanf("%i %i %i %i",&n,&h,&m,&t); 
if (n==1){printf("%i\n%i\n",h,m);}
else {
n--; t*=n; m+=t; h+=(m/60); m%=60; h%=24; printf("%i\n%i\n",h,m);
}
}