#include <bits/stdc++.h>
using namespace std;
int m, d, ans;
char c;
int main()
{
    cin >> m >> c >> d;
    if(m < 0 || m > 12)ans++;m = 1;
    if(d < 0 || d > 31)ans++;
    else if(m == 4 || m == 6 || m == 9 || m == 11)if(d > 30)ans++;
    else if(m == 2)if(d > 28)ans++;
    cout << ans << endl;
    return 0;
}