#include<iostream>
using namespace std;
int main() {
	int a, b, c, d, i;
	int k = 1;
	cin >>i;
	if (i == 2) {
		cout << "A = ";
		cin >> a;
		cout << "B = ";
		cin >> b;
		while (k % a != 0 || k % b != 0) {
			k += 1;
		}
		cout << "BCNN = " << k;
	}
	if (i == 3) {
		cout << "A = ";
		cin >> a;
		cout << "B = ";
		cin >> b;
		cout << "C = ";
		cin >> c;
		while (k % a != 0 || k % b != 0 || k % c != 0) {
			k += 1;
		}
		cout << "BCNN = " << k;
	}
	if (i == 4) {
		cout << "A = ";
		cin >> a;
		cout << "B = ";
		cin >> b;
		cout << "C = ";
		cin >> c;
		cout << "D = ";
		cin >> d;
		while (k % a != 0 || k % b != 0 || k % c != 0|| k % d != 0) {
			k += 1;
		}
		cout << "BCNN = " << k;
	}
	if (i != 2 && i != 3 && i != 4) {
		cout << "Loi Gia Tri";
	}

	}