using System;

​

class Time{

    int min,hrs;

    public Time(int m, int h){

        min = m;

        hrs = h;

    }

    public Time(int m){

         min = m%60;

         hrs = min/60;  

    }   

    public void display(){

        Console.WriteLine(hrs+":"+min);

    }

}

​

public class Program

{

    public static void Main()

    {

        Time t = new Time(12,4);

        t.display();

    }

}