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