#include<iostream>
using namespace std;
int main()
{
	int number, last, first;
	cout << " enter 3 numbers:" << endl;
	cin >> last >> first >> number;
	if ((number <=first) && (number>= last)) {
		cout << "between"<<endl;

	}
	if ((number > first )||(number<last)){
		if (number > first) {
			cout << "bigger" << endl;

		}
		else {


			cout << "smaller" << endl;
		}

	}
//	system("pause");
	return 0;
}