#include<iostream>
#include<algorithm>
#include<string>
#include<vector>
#include<unordered_map>
#include<fstream>
#include<sstream>
#include<queue>
#include<stack>
#include<map>
#include<unordered_map>
#include<utility>
#include<iomanip>
 

using namespace std;
unsigned int num_day;
int a[11] = { 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335 };
int b[11] = { 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 };
bool is_leap(unsigned int Y){
    if ((Y % 4 == 0) || ((Y % 100 == 0 )&& (Y % 400 == 0))) return true;
    return false;
}
bool
 
 time_to_day(unsigned int y, unsigned int m, unsigned int d){
    if (m > 12 || d > 31 ) return false;
    //判斷平年和閏年
    if (is_leap(y)){

        if (m == 1){
            num_day = d;
            return true;
        }
        else{
            num_day = a[m - 2] + d;
            return true;
        }
    }
    else
 
{
        if (m == 1){
            num_day = d;
            return true;
        }
        else{
            num_day = b[m - 2] + d;
            return true;
        }
    }

}
int main() {
    unsigned int year, month, day;
    while (cin >> year >> month >> day){
        bool flag = time_to_day(year, month, day);
        if (flag){
            cout << num_day << endl;
        }
        else{
            cout << -1 << endl;
        }

    }


    return 0;
}