8

#define _CRT_SECURE_NO_WARNINGS
#include <vector>
#include <iostream>
#include <string>

using namespace std;

int main()
{
	double a;
	cin >> a;
	if (a > -1 && a < 1) {
		cout << "f(" << a << ") = " << a * a;
	}
	else {
		cout << "f(" << a << ") = " << 1;
	}
}