#include<iostream>
using namespace std;
long long gcd(long long x,long long y){
    if(y == 0) return x;
    else gcd(y,x%y);
}
int main(){
    long long A,B,G,p,q,g;
    cin >> A >> B;
    g = gcd(A,B);
    p = A/g;
    q = B/g;
    G = gcd(g,p+q)*g;
    cout << G << endl;
    return 0;
}