#include <bits/stdc++.h>
using namespace std;
double PI = acos(-1);
long long gcd(long long a, long long b) { return !b ? a : gcd(b, a % b); }
long long lcm(long long a, long long b) { return (a / gcd(a, b)) * b; }
long long fact(long long n) { return !n ? 1 : n * fact(n - 1); }
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  ;
  long double x;
  cin >> x;
  if (x <= 127)
    cout << "byte";
  else if (x <= 32767)
    cout << "short ";
  else if (x <= 2147483647)
    cout << "int";
  else if (x <= 9223372036854775807)
    cout << "long";
  else
    cout << "BigInteger";
  return 0;
}
