#include <iostream>
using namespace std;

int main() {
    unsigned int heures;
    unsigned int minutes;
    unsigned int secondes;

    cout << "Saisir les heures" << endl;
    cin >> heures;
    cout << "Saisir les minutes" << endl;
    cin >> minutes;
    cout << "Saisir les secondes" << endl;
    cin >> secondes;

    secondes = secondes + minutes * 60 + heures * 3600;

    cout << secondes << endl;

    return 0;
}