#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (n); ++i)

using namespace std;

int main() {
    cin.tie(nullptr) -> sync_with_stdio(false);
    
    string s;
    cin >> s;
    int n = s.size();
    
    
    if(n < 1 or n > 32) {
        cout << 400 << '\n';
        return 0;
    }
    
    for(char c : s){
        if(!(isalpha(c) or isdigit(c) or c == '_' or c == '-')) {
            cout << 400 << '\n';
            return 0;
        }
    }
    if(s[0] == '_' or s[0] == '-' or s.back() == '_' or s.back() == '-') {
        cout << 400 << '\n';
        return 0;
    }
    
    cout << 200 << '\n';
    
    return 0;
}