#define _USE_MATH_DEFINES
#include<stdio.h>
#include<string>
#include<iostream>
#include<cctype>
#include<cstdio>
#include<vector>
#include<stack>
#include<queue>
#include <algorithm>
#include<math.h>
#include<set>
#include<map>
#include<iomanip>

//#include<bits/stdc++.h>

long long  g(long long   x,long long  y) { if (y) (g(y, x%y));else return x; }

using namespace std;


int main() {
	long long a, b;
	cin >> a >> b;
	long long p = g(a, b);
	cout << g(a/p + b/p, p)*p << endl;
	return 0;


}