#include <iostream>
using namespace std;
int main()
{
int mieri, sieri, mazi, sazi, mtotal, stotal, htotal;
cout << "Timpul jucat de Maria la calculator: " << endl;
cout << " minute ieri: "; cin >> mieri;
cout << " secunde ieri: "; cin >> sieri;
cout << " minute azi: "; cin >> mazi;
cout << " secunde azi: "; cin >> sazi;
mtotal=mieri+mazi+(sieri+sazi)/60;
stotal=(sieri+sazi)%60;
htotal=mtotal/60;
mtotal=mtotal%60;
cout << " total Maria a jucat: " << htotal << " ore " << mtotal << " min " << stotal << " sec";
}