#include <iostream>
#include <iomanip>
#define IS_LEAP_YEAR(y) (((y) % 4 == 0 && (y) % 100 != 0) || (y) % 400 == 0)
#define TO_INT(x) ((int)(x)-48)
using namespace std;
int main(){
    char a[10];
    int y,m,d,o;
    while(cin>>a){
        y = TO_INT(a[0])*1000+TO_INT(a[1])*100+TO_INT(a[2])*10+TO_INT(a[3]);
        if(a[6] == '/'){
            m = TO_INT(a[5]);
            d = a[8] == '\0'?TO_INT(a[7]):(TO_INT(a[7])*10+TO_INT(a[8]));
        } else{
            m = TO_INT(a[5])*10+TO_INT(a[6]);
            d = a[9] == '\0'?TO_INT(a[8]):(TO_INT(a[8])*10+TO_INT(a[9]));
        }
        switch (m){
            case 12:d += 30;
            case 11:d += 31;
            case 10:d += 30;
            case 9:d += 31;
            case 8:d += 31;
            case 7:d += 30;
            case 6:d += 31;
            case 5:d += 30;
            case 4:d += 31;
            case 3:d += IS_LEAP_YEAR(y)?29:28;
            case 2:d += 31;
            default:break;
        }
        cout << d << endl;
    }
    return 0;
}