#include <iostream>
#include <string>
#include <vector>
using namespace std;

int main() {
    bool b = true;
    string s;
    cin >> s;
    int si = s.size();
    char c = s[0], r = s.at(si-1);

    if(32 >= si && !(c == 45 || c == 95 || r == 45 || r == 95)){
        for(char a : s){
            if(!(a == 45 || (47<a && a<58) || (64<a && a<91) || a == 95 || (96<a && a<123))){
                b = false;
                break;
            }
        }
    }else{
        b = false;
    }

    if(b){
        cout << 200 << endl;
    }else{
        cout << 400 << endl;
    }
    

    return 0;
}