Untitled

#include <fstream>
#include <iostream>
using namespace std;

int f(int a, int b) {
	int rez;
	rez = a * a - 5 * b;
	return rez;
}

int main()
{
	int n, a, b;
	ifstream in("funk.txt");
	ofstream out("rez.txt");
	in >> n;
	for (int i=0; i < n; i++) {
		in >> a;
		in >> b;
		out << f(a, b)<<endl;
	}

}