Time

using System;
using System.Collections.Generic;
using System.Text;

namespace ex1
{
    class Time : Base
    {

        protected internal Time() : base()
        {
            if (I1 < 0) I1 = 24 + I1;
            else if(I1 > 24)
            {
                I1 = I1 / 24;
                I2 = I1 % 24;

            }
            if (I3 < 0) I3 = 60+I3;
            else if (I3 > 60)
            {
                I2 = I3 / 60;
                I3 = I3 % 60;
            }



            if (I2 < 0) I2 = 60+I2;
            if (I2 > 60)
            {
                I1 = I2 / 60;
                I2 = I2 % 60;
            }






        }

        protected internal Time(int a, int b, int c) : base(a, b, c)
        {
            if (I1 < 0) I1 = 24 + I1;
            else if (I1 > 24)
            {
                I1 = I1 / 24;
                I2 = I2+I1 % 24;

            }
            if (I3 < 0) I3 = 60 + I3;
            else if (I3 > 60)
            {
                I2 =I2+ I3 / 60;
                I3 = I3 % 60;
            }



            if (I2 < 0) I2 = 60 + I2;
            if (I2 > 60)
            {
                I1 =I1+ I2 / 60;
                I2 = I2 % 60;
            }

        }
        public static Time operator -(Time m1, Time m2)
        {
            Time m = new Time(m1.I1 - m2.I1, m1.I2 - m2.I2, m1.I3 - m2.I3);
            return m;
        }
        public Time Add(int sec)
        {
            Time temp = new Time(this.I1,this.I2, this.I3 + sec);
            return temp;
        }
        public override string ToString()
        {
            return I1.ToString() + ":" + I2.ToString() + ":" + I3.ToString();

        }
    }
}