#include <iostream>
#include <string>
#include <vector>
using namespace std;
bool isleap(int year){
    return(year % 400==0) || (year % 4 == 0 && year % 100!= 0);
}
int main(){
    string date;
    cin>>date;
    if (date.length()!=10||date[4]!='-'||date[7]!='-'){
        cout<<"Invalid input";
        return 0;
    }
    int year=stoi(date.substr(0,4));
    int month=stoi(date.substr(5,2));
    int day=stoi(date.substr(8,2));
    if(year<1900 || year> 2100 || month <1 ||month >12||day<1){
        cout<<"Invalid input";
        return 0;
    }
    vector<int> days={31,28,31,30,31,30,31,31,30,31,30,31}
    if(isleap(year))
       days[1]=29;
    if (day>days[month-1]){
        cout<<"Invalid input";
        return 0;
    }
    int daynumber  = 0;
    for (int i = 0; i< month-1;i++){
        daynumber += days[i];
    }
    daynumber += day;
    cout<< daynumber;
    return 0;
}