#include <iostream> using namespace std ; int main () { int a , b , c , d , m , h ; cin >> a >> b >> c >> d ; if ((d - b) < 0 ) { h = c - a - 1 ; m = d + 60 - b ; cout << h << " " << m ; } else { h = c - a ; m = d - b ; cout << h << " " << m ; } return 0 ; }