#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)||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;
}