#include<iostream>
#include<string>
using namespace std;
bool isLeapYear(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 | day >31)
    {
        cout <<"Invalid input";
        return 0;
    }
    int daysInMonth[]={31,28,31,30,31,30,31,31,30,31,30,31};
    if(isLeapYear(year))
    {
        daysInMonth[1]=29;
    }
    if(days> daysInMonth[month - 1])
    {
        cout<<"Invalid input";
        return0;
    }
    int dayNumber=0;
    for(int i= 0;i<month - 1; i++)
    {
        dayNumber+=day;
        cout<<dayNumber;
        return 0;
    }