#include <iostream>
using namespace std;
int gcd(int x, int y) {
	if(y == 0) return x;
	return gcd(y, x % y);
}
int lcm(int x, int y) {
	return x * gcd(x, y) / y;
}
int main() {
	int a, b, c;
	cin >> a >> b >> c;
	int k1 = lcm(a, b), k2 = lcm(b, c);
	cout << lcm(k1, k2);
	return 0;
}

爆栈了。。。