//IN THE NAMME OF GOD

#include <bits/stdc++.h>
#include <fstream>
#include <iostream>
using namespace std;
#define ll long long
const int inf=1e9;
int del=10513;
long long int ans;
string l,r,s;
ifstream fin("a.txt");
int dis(string start,string deadline){
    long long int first=0,second=0,num1=0,num2=0;
    for(int i=0;i<2;i++){
        first*=10;
        first+=start[i]-'0';
        second*=10;
        second+=deadline[i]-'0';
    }
    first*=(ll)60*60;second*=(ll)60*60;
    first*=1000;second*=1000;
    num1+=first;num2+=second;
    first=0;second=0;
    for(int i=3;i<5;i++){
        first*=10;
        first+=start[i]-'0';
        second*=10;
        second+=deadline[i]-'0';
    }
    first*=60000;second*=60000;
    num1+=first;num2+=second;
    first=0;second=0;
    for(int i=6;i<8;i++){
        first*=10;
        first+=start[i]-'0';
        second*=10;
        second+=deadline[i]-'0';
    }
    first*=1000;second*=1000;
    num1+=first;num2+=second;
    first=0;second=0;
    for(int i=9;i<12;i++){
        first*=10;
        first+=start[i]-'0';
        second*=10;
        second+=deadline[i]-'0';
    }
    num1+=first;num2+=second;
    return (abs(num2-num1)+1)%del;;
}
int main(){
    fin>>s;
    for(int i=0;i<1076;i++){
        fin>>l>>s>>r;
        while(1 && i<1075){
            getline(fin,s);
            bool b=0;
            for(int j=0;j<s.size();j++){
                if(s[j]<'0' || s[j]>'9'){
                    b=1;
                    break;
                }
            }
            if(!b && s.size())
                break;
        }
        ans+=(dis(l,r))%del;
        ans%=del;
    }
    cout<<ans<<endl;
    return 0;
}