#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=stio(s.substr(0,4));
    int m=stio(s.substr(5,2));
    int d=stio(s.substr(8,2));
    if(y<1900||y>2100||m<1||m>12||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)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;
}