#include <iostream>

using namespace std;

int main()
{
    string q;
    cin >> q;
    int h = (q[0]-'0') * 10 + q[1]-'0';
    int m = (q[3]-'0') * 10 + q[4]-'0';
    int hh, mm;
    cin >> hh >> mm;
    cout << h << " " << m << endl;
    if(h + hh < 10 && m + mm < 10)      {cout << 0 << h+hh << ":" << 0 << m+mm;  return 0;}


    if(h + hh < 10 && m + mm >= 10)     {if(m+mm >= 60) {cout << 0 << h+hh + 1 << ":" << m+mm % 60;  return 0;}
                                        cout << h+hh << ":" << 0 << m+mm;     return 0;}


    if(h + hh >= 10 && m + mm < 10 )    {if(h + hh >= 24) {cout << (h+hh) % 24 << ":" << 0 << m+mm;     return 0;}
                                         cout << h+hh << ":" << 0 << m+mm;     return 0;}


    if(h+hh >= 10 && m+mm >= 10)        {if(m+mm >= 60) { if((h+hh+1) >= 24)
                                                            {cout << 0 << (h+hh + 1) % 24 << ":" << (m+mm) % 60; return 0;}
                                         cout << 0 << h+hh + 1 << ":" << m+mm % 60;  return 0;}
}
    }