#include using namespace std; #define FOR(i,a,b) for(int i=(a);i<(b);i++) #define REP(i,n) FOR(i,0,n) #define ALL(v) (v).begin(),(v).end() template inline bool chmax(A &a, B b) { if (a inline bool chmin(A &a, B b) { if (a>b) { a=b; return 1; } return 0; } typedef unsigned long long ull; typedef long long ll; typedef pair pii; typedef pair pll; typedef pair P; const ll INF = 1ll<<60; const ll MOD = 1000000007; const double EPS = 1e-10; ll gcd(ll a, ll b) { if (b == 0) return a; return gcd(b, a % b); } int main() { ll a, b; cin >> a >> b; ll g = gcd(a, b); cout << g * gcd(a / g + b / g, g) << endl; return 0; }