#include <iostream>
#include <cstdio>

using namespace std;

int main()
{
    int x, y;
    cin >> x >> y;


    if (x == y) cout << "O JOGO DUROU 24 HORA(S)";
    else
        printf("O JOGO DUROU %d HORA(S)",((y + 24) - x ) % 24);

    return 0;
}