#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<(int)(n);i++)
template<class T> inline bool chmax(T&a,T b){if(a<b){a=b;return 1;}return 0;}
template<class T> inline bool chmin(T&a,T b){if(a>b){a=b;return 1;}return 0;}
using ll = long long;

ll a,b;

int main () {
   ios::sync_with_stdio(false); 
   cin.tie(0); 

   cin >> a >> b;
   
   ll g=gcd(a,b);
   a/=g, b/=g;

   cout << g*gcd(a+b,g) << '\n';

   return 0;
}