import java.util.*;
import java.util.regex.Pattern;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        if(s.length() > 32 || s.length() <= 0) {
            System.out.println("400");
            return;
        }
        Pattern p = Pattern.compile("^[0-9a-zA-Z_-]+$");
        if(!p.matcher(s).matches()){
            System.out.println("400");
            return;
        }
        if(s.charAt(0) == '_' || s.charAt(0) == '-'){
            System.out.println("400");
            return;
        }
        if(s.charAt(s.length() - 1) == '_' || s.charAt(s.length() - 1) == '-'){
            System.out.println("400");
            return;
        }
        System.out.println("200");
    }
}