#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
constexpr long long int MOD = 1000000007;

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

int main(void){
    ll A, B; cin >> A >> B;
    
    if (__gcd(A, B) == 1) cout << 1 << endl;
    else{
        ll g = __gcd(A, B);
        cout << g * __gcd(A/g + B/g, g) << endl;
    }
}