#include <iostream> 
#include <math.h>
#include <string>
#include <cstring>
#include <cstdio>
#include <vector>
using namespace std; 
typedef long long ll;
#define rep(i,n) for(int i=0;i<n;++i)
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }  
const ll INF = 1LL << 60;


ll GCD(ll x, ll y) {
    if(y==0) return x;
    else return GCD(y,x%y);
}

int main() {
    ll A,B;
    cin >> A >> B;
    ll g = GCD(A,B);
    A /= g, B /= g;
    cout << g*GCD(A+B,g) << endl;
}