#include <bits/stdc++.h>
using namespace std;
int main() {
  long double n;
  cin >> n;
  if (n < 128)
    cout << "byte";
  else if (n < 32768)
    cout << "short";
  else if (n < 2147483648)
    cout << "int";
  else if (n < 9223372036854775808)
    cout << "long";
  else
    cout << "BigInteger";
  return 0;
}
