#include <iostream>
#include <string>
#include <regex>

using namespace std;

int main()
{
	string S;
	cin >> S;
	
	regex pattern("^[A-Za-z0-9](?:[A-Za-z0-9_-]{0,30}[A-Za-z0-9])?$");
	
	if (regex_match(S, pattern)) {
		cout << 200 << endl;
	} else {
		cout << 400 << endl;
	}
}