#include<iostream>
using namespace std;

int main() {
    string s;
    cin >> s;
    
    if (s.size() != 10 || s[4] !='-' || s[7] !='-') {
        cout << "Invalid input";
        return 0;
    }
    
    int y =stoi(s.substr(0,4));
    int m =stoi(s.substr(5,2));
    int d =stoi(s.substr(8,2));
    
    if (y < 1900 || y > 2100 || m < 1 || m > 12 || d <1 || d > 31){
        cout << "Invalid input";
        return 0;
    }
    
    int days[]={31,28,31,30,31,30,31,31,30,31,30,31};
    
    if ((y%4==0 && y%100!=0 ) || y%400=0)
        days[1] =29;
    if (d > days[m-1]) {
        cout << "Invalid input";
        return 0;
    }    
    
    int total = d;
    for(int i = 0; i <m-1; i++)
       total += days[i];
       
    cout << total;   
}