#include <iostream>

using namespace std;

class Time
{
private:
        int hrs;
        int mins;
        int secs;
public:
        Time()
        {       hrs=0; mins=0; secs=0;  }
        Time (int h, int m, int s)
        { hrs=h; mins=m; secs=s; }
        void Set (int h, int m, int s)
        { hrs=h; mins=m; secs=s; }
        void Increment();
	bool Equal ( Time x )
	{	return (hrs==x.hrs && mins==x.mins && secs==x.secs);	}
	bool GreaterThan( Time x )
	{       bool temp=false;
                if (hrs > x.hrs || (hrs==x.hrs && mins>x.mins) ||
                        (hrs==x.hrs && mins==x.mins && secs>x.secs) )
                        temp = true;
                return temp;
        }
	

	virtual void Write() const
	{	cout << hrs << ":" << mins << ":" << secs;	} 
	
};

void Time :: Increment()
{
	secs ++;
}