백준 27323 c++

#include <iostream>

using namespace std;

int input(int lower, int upper);

int main(void)
{
	int A, B;

	A = input(1, 100);
	B = input(1, 100);

	cout << A * B << endl;
	return 0;
}

int input(int lower, int upper)
{
	int A;

	while (1)
	{
		cin >> A;
		if (A >= lower && A <= 10000000)
		{
			break;
		}
		else
		{
			;
		}
	}

	return A;
}