#include<iostream>
#include<string>
using namespace std;
 bool isleapYear(int year){
     return (year % 400 == 0) || (year % ==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 , month , day;
     try{
         year = stoi(date.substr (0,4));
         month = stoi(date.substr(5,2));
         day =stoi(date.substr(8,2));
     }
     catch(...){
         cout<<"Invalid input";
         return 0;
     }
     if (year <1900 || year>2100 || month <1 month>12 ){
         cout<<"Invalid input";
         return 0;
     }
     int dayInMonth[]=(31,28,31,30,31,30,31,31,30,31,30,31);
     if (isleapYear(year)){
         dayInMonth[1] = 29;
     }
     if (day <1 || day  > dayInMonth[month -1]){
         cout<<"Invalid input";
         return 0;
     }
     int dayNumber = 0;
     for(int i=0; i< month -1; i++){
         dayNumber +=dayInMonth[i];
     }
     dayNumber +=day;
     cout<<dayNumber;
     return 0;
 }