#include <bits/stdc++.h>
using namespace std;
string pstr, str_a[] = {"128", "32768", "2147483648", "9223372036854775808"},
             str_r[] = {"byte", "short", "int", "long", "BigInteger"};
int n, i, q;
int main() {
  cin >> pstr;
  n = pstr.size();
  for (; i < 5; ++i) {
    q = str_a[i].size();
    if (i == 4 | n < q | n == q & pstr < str_a[i]) {
      cout << str_r[i];
      return 0;
    }
  }
  return 0;
}
