#include <iostream>
#include <string>
#include <cctype>

using namespace std;

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

    int N = S.length();

    if (N < 1 || N > 32) {
        cout << 400 << endl;
        return 0;
    }

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

    if (S[0] == '_' || S[0] == '-' || S[N - 1] == '_' || S[N - 1] == '-') {
        cout << 400 << endl;
        return 0;
    }

    cout << 200 << endl;

    return 0;
}