#include<cstdio>
long long gcd(long long A, long long B) {
	long long int g;
	while (A%B != 0 && B % A != 0) {
		if (A > B) { A = A % B; }
		else { B = B % A; }
	}
	if (A > B) { g = B; }
	else { g = A; }
	return g;
}
int main(void) {
	long long int A, B, X, Y, Z, g, g2, G, ANS;
    scanf("%lld %lld", &X, &Y);
	A = X;
	B = Y;
	g = gcd(A, B);
    Z = (X + Y) / g;
	G = g;
	g2 = gcd(G, Z);
	ANS = g * g2;
	printf("%lld", ANS);
	return 0;

}