#include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<n;i++)
using namespace std;
using ll =  long long ;
using P = pair<int,int> ;
const int INF = 1e9;
const int MOD = 1000000007;

ll gcd(ll a,ll b){
    if(b == 0) return a;
    else return gcd(b,a%b);
}

int main(){
    ll a,b;
    cin >> a >> b;
    ll g = gcd(a,b);
    ll i = a/g;
    ll j = b/g;
    cout << g * gcd(g,i+j) << endl;
    return 0;
}