#include<iostream>
#include<set>
#include<algorithm>
#include<vector>
#include<string>
#include<set>
#include<map>
#include<stack>
#include<numeric>
#include<queue>
#include<cmath>
#include<deque>
#include<cassert>
using namespace std;
typedef long long ll;
const ll MOD=1e9+7;
const ll INF=1LL<<60;

ll gcd(ll x,ll y){
    return y==0?x:gcd(y,x%y);
}

int main(){
    ll A,B;
    cin>>A>>B;

    ll g=gcd(A,B);
    ll ans=g*gcd(A/g+B/g,g);
    cout<<ans<<endl;
    
}