题目描述

输入描述

输出描述

样例输入

3 59

样例输出

3:59
4:0

代码填空：

#include<iostream>
using namespace std;
class Time
{
    private:
    int minute;
    int sec;
    public:
    Time(){minute=0;sec=0;}
    Time(int m,int s):minute(m),sec(s){}
    Time operator++();
    Time operator++(int);
    void display();
};
//pdsu-c1
//pdsu-c1
int main()
{
    int a,b;
    cin>>a>>b;
    Time time1(a,b);
    time1.display();

    //pdsu-c2
    //pdsu-c2
    return 0;
}