#include <iostream>
using namespace std;
class Time
{
public:
void set_time(void)
void show_time(void)
private:
int hour;
int minute;
int sec;
};
void Time::set_time(void)
{
cin>>hour;
cin>>minute;
cin>>sec;
}
void Time::show_time(void)
{
cout<<hour<<":"<<minute<<":"<<sec<<endl;
}
Time t;
int main()
{
t.set_time();
t.show_time();
return 0;
}
