#include <iostream>
using namespace std;

struct time
{
    int hours,minutes,seconds;

};


int main()


{
    time time1,time2,time3;
    int temp;
    char colon;

    cout<<"enter First time in this format (12:30:30):";
    cin>>time1.hours>>colon>>time1.minutes>>colon>>time1.seconds;

    cout<<"enter Second time in this format (12:30:30):";
    cin>>time2.hours>>colon>>time2.minutes>>colon>>time2.seconds;

    long totalseconds1=time1.hours*3600 + time1.minutes*60 + time1.seconds;

    long totalseconds2=time2.hours*3600 + time2.minutes*60 + time2.seconds;

    long totalseconds=totalseconds1+totalseconds2;

    time3.hours=totalseconds/3600;

    temp=totalseconds%3600;

    time3.minutes=temp/60;

    time3.seconds=temp%60;


    cout<<"\nTotal Time: "<<time3.hours<<":"<<time3.minutes<<":"<<time3.seconds<<endl;

    return 0;

}