#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";
}
}
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