#include #define rep(i,n)for(long long i=0;i<(n);i++) using namespace std; using P=pair; typedef unsigned long long ull; typedef long long ll; typedef long double ld; template inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } template 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; }