#include<iostream>
// 2_12

using namespace std;

int main()
{

	double elapse_seconds;

	int e_hours;
	int e_minutes;
	int e_seconds;

	int nearest;

	cout << "Input elapsed time for event in seconds" << endl;
	cin >> elapse_secs;

        e_hours = (int)(elapse_seconds/3600.);
	e_minutes = (int)((elapse_seconds - 3600*e_hours)/60.);
	e_seconds = (int)((elapse_seconds - 3600*e_hours - 60*e_minutes));

	cout << "Elapsed time in hhmmss " << e_hours << e_minutes  << e_seconds << endl;
	
	return 0;

}