#include 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); }