#include <bits/stdc++.h>
using namespace std;
#define long long ll

bool isOK(char c) {
  bool r = false;
  if ('A' <= c && c <= 'Z')
    r = true;
  if ('a' <= c && c <= 'z')
    r = true;
  if ('0' <= c && c <= '9')
    r = true;
  if (c == '_' || c == '-')
    r = true;

  return (r);
}

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

  int S_len = S.length();
  if (1 <= S_len && S_len <= 32)
    ;
  else {
    cout << 400 << endl;
    return (0);
  }

  for (char c : S) {
    if (!isOK(c)) {
      cout << 400 << endl;
      return (0);
    }
  }

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

  char S_tail = S[S.length() - 1];
  if (S_tail == '-' || S_tail == '_') {
    cout << 400 << endl;
    return (0);
  }
  cout << 200 << endl;
  return (0);
}