#include<iostream>
#include<string>
using namespace std;
 bool isLeap(int year){
     if(year % 400==0) return true;
     if (year % 100==0) return false;
     if(year % 4==0)return true;
     return false;
 }
 int main(){
     string data;
     cin>>data;
     if(data.length()!=10 || date[4]!='-'||date[7]!='-'){
         cout<<"Invalid input";
         return 0;
         
     }
     for(int i=0;i<10;i++){
         if(i==4||i==7)continue;
         if(!isdigit(date[i])){
             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;
     }
     int daysInMonth[]={31,28,31,30,31,30,31,31,30,31,30,31};
     if(isLeap(year))
        daysInMonth[1]=29;
        
        if(day>daysInMonth[month-1]){
            cout<<"Invalid input";
            return 0;
        }
        int dayNumber=day;
        for(int i=0;i<month-1;i++)
            dayNumber+=daysInMonth[i];
        cout<<dayNumber;
        
        return 0;
 }