#include<iostream>
using namespace std;
int Hour;
int Minute;
int Second;
class Clock
{
	public:
		void SetTime(int newH,int newM,int nweS);
		void ShowTime();
	private:
		int Hour,Minute,Second;
};
void Clock::SetTime(int newH,int newM,int newS)
{
	Hour=newH;
	Minute=newM;
	Second=newS;
}
void Clock::ShowTime()
{
	cout<<Hour<<":"<<Minute<<":"<<Second;
}
int main()
{
	cout<<"请输入时间，分，秒：";
	cin>>Hour>>Minute>>Second;
	Clock myclock;
	myclock.SetTime(Hour,Minute,Second);
	myclock.ShowTime();
		
} 

请输入时间，分，秒：17 45 23
17:45:23