#include <stdio.h>

int main(void){
    int N, H, M, T, i;
    
    scanf("%d %d %d %d\n", &N, &H, &M, &T);
    for(i=1; i<N; i++) M += T;
    
    printf("%d\n%d", (H+M/60)%24, M%60);
    
    return 0;
}