#include <bits/stdc++.h>
#define rep(i,n)for(long long i=0;i<(n);i++)
using namespace std;
using P=pair<long long,long long>;
typedef unsigned long long ull;
typedef long long ll;
typedef long double ld;
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 MOD=1e9+7;
const ll INF=1e18;
const int MAX=510000;
const double pi=acos(-1);
int dx[4]={1,0,-1,0};
int dy[4]={0,1,0,-1};


ll gcd(ll x, ll y){
  if(y==0)return x;
  return gcd(y,x%y);
}
int main(){
  cin.tie(0);
  ios::sync_with_stdio(false);  
  
  ll a,b;
  cin >> a >> b;
  ll g=gcd(a,b);
  a/=g;
  b/=g;
  cout << g*gcd(a,b) << endl;
}