#include<iostream>
using namespace std;
int main()
{
    long long n,a,b,c,d,e,f,s=0,i=0;
    char t;
    cin>>a>>t>>b>>t>>c;
    cin>>d>>t>>e>>t>>f;
    cin>>n;
    s=a*60*60+b*60+c;
    i=d*60*60+e*60+f;
}