/******************************************************************************

                              Online C++ Compiler.
               Code, Compile, Run and Debug C++ program online.
Write your code in this editor and press "Run" button to compile and execute it.

*******************************************************************************/

#include <iostream>
#include <cstring>
#include <cmath>
using namespace std;

// Online C++ compiler to run C++ program online


class Clock
{
    private:
    int hour;
    int min;
    int sec;
    public:
    Clock()
    {
        this->hour=0;
        this->min=0;
        this->sec=0;
    }
     Clock(int hour,int min,int sec)
    {
        this->hour=hour;
        this->min=min;
        this->sec=sec;
    }

    void info()
    {
         cout<<hour<<":"<<min<<":"<<sec<<endl;
    }
    int miliseconds()
    {
        return 1000*(3600* this->hour + 60* this->min + this->sec);
    }

     friend Clock operator+(const Clock &a,const Clock &b)
    {
        Clock c;
        c.hour=a.hour+b.hour;
        c.min=a.min+b.min;
        c.sec=a.sec+b.sec;
        return c;
    }

      friend Clock operator-(const Clock &a,const Clock &b)
    {
        Clock c;
        c.hour=a.hour-b.hour;
        c.min=a.min-b.min;
        c.sec=a.sec-b.sec;
        return c;
    }
    friend ostream &operator<<(ostream &o,const Clock &c)
    {
             o<<c.hour<<":"<<c.min<<":"<<c.sec<<endl;
        return o;
    }

    int getHour()
    {
        return hour;
    }
    int getMin()
    {
        return min;
    }
    int getSec()
    {
        return sec;
    }
    void setHours(int h)
    {
        this->hour=h;
    }
    void setMin(int m)
    {
        this->min=m;
    }
    void setSec(int s)
    {
        this->sec=s;
    }


    ~Clock(){}
};

void rectify(Clock &c)
{
    if(c.getSec()>=60)
    {
        c.setSec(c.getSec()-60);
        c.setMin(c.getMin()+1);
    }
    else if(c.getMin()>=60)
    {
        c.setMin(c.getMin()-60);
        c.setHours(c.getHour()+1);
    }
    else if(c.getHour()>=12)
    {
        c.setHours(c.getHour()-12);
    }
    else if(c.getSec()<0)
    {
        c.setSec(c.getSec()+60);
        c.setMin(c.getMin()-1);
    }
    else if(c.getMin()<0)
    {
        c.setMin(c.getMin()+60);
        c.setHours(c.getHour()-1);
    }
    else if(c.getHour()<0)
    {
        c.setHours(c.getHour()+12);
    }

}
int main() {

    int hour,min,sec;

    cin>>hour>>min>>sec;
    Clock a(hour,min,sec);
    rectify(a);

    cin>>hour>>min>>sec;
    Clock b(hour,min,sec);
    rectify(b);

    a.info();
    cout<<a.miliseconds()<<endl;
    b.info();
    cout<<b.miliseconds()<<endl;
    return 0;
}