#include <bits/stdc++.h>
using namespace std;
int main() {
  long double n;
  cin >> n;
  if (n <= 127) {
    cout << "byte";
  } else if (n <= 32767) {
    cout << "short";
  } else if (n <= 2147483647) {
    cout << "int";
  } else if (n <= 9223372036854775807) {
    cout << "long";
  } else {
    cout << "BigInteger";
  }
}
