import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class Sample01 {
	public static void main(String[] args) throws IOException{
	int[] x;
	x= new int[4];

	BufferedReader num =new BufferedReader(new InputStreamReader(System.in));
	for(int i = 0; i < 4; i++){
		String n = num.readLine();
		x[i]= Integer.parseInt(n);
		}
	for(int w = 0; w < x[0] - 1; w++){
		x[2] += x[3];
	}
		while(x[2] > 59){
			x[1]++;
			if(x[1] > 23){
				x[1] = 0;
			}
			x[2] = x[2] - 60;
		}
	System.out.println(x[1]);
	System.out.println(x[2]);
	}
}