#include <bits/stdc++.h>
using namespace std;

int main() {
    string S;
    cin >> S;

    if (S.size() < 1 || S.size() > 32) {
        cout << 400;
        return 0;
    }

    if (S.front() == '_' || S.front() == '-' || S.back() == '_' || S.back() == '-') {
        cout << 400;
        return 0;
    }

    for (char c : S) {
        if (!(isalnum(c) || c == '_' || c == '-')) {
            cout << 400;
            return 0;
        }
    }

    cout << 200;
    return 0;
}