#include <iostream>
#include <string>
using namespace std;
int main() {
    string date;
    cin>> date;
    if (date.length( ) ! = 10 || date[4] != ' - ' || date[7] != '-') {
        cout << "Invalid input";
        return 0;
    }
    int year  = stio(date.substr(0,4));
    int month = stio(date.substr(5,2));
    int day   = stio(date.substr(8,2));
    int days[] = {31,28,31,30,31,30,31,31,30,31,30,31};
    
    if (( year%4==0 && year%100!=0) || (year%400==0)) {
        days[1] = 29;
    }
    if (month < 1 || month > 12 || day < 1 || day > days[month-1]) {
        cout << "Invalid input";
        return 0;
    }
    int dayNum = 0;
     for (int i=0; i < month-1; i++) {
         dayNum =+ days[i];
    }
    cout << dayNum;
    return 0;
    }