#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++; cout << ans << endl; return 0; }