#include <iostream> #include <cstdio> #include <iomanip> #include <cmath> using namespace std; int main () { int a, b, c, d, a1, a2, difference, h, k; cin >> a >> b >> c >> d; a1 = 60*a+b; a2 = 60*c+d; difference = a2-a1; h = difference/60; k = difference % 60; cout << h<< " "<< k; return 0; }