#include using namespace std; struct cww{cww(){ios::sync_with_stdio(false);cin.tie(0);}}star; #define all(c) (c).begin(), (c).end() #define rall(c) (c).rbegin(), (c).rend() #define vv(type, c, m, n, i) vector> c(m, vector(n, i)) #define rep(i,a,n) for(int i=(a), i##_len=(n); ii##_len; --i) #define len(x) ((int)(x).size()) #define mp make_pair #define eb emplace_back #define em emplace #define fi first #define se second #define get(a, i) get(a) #define mt make_tuple typedef long long ll; typedef long double ld; typedef vector vi; typedef vector vd; typedef vector vll; typedef vector vs; typedef vector vb; typedef pair pii; #define mini min_element #define maxi max_element #define sum(a, b) accumulate(a, b) #define chmax(a,b) if(ab)a=b #define ce(x, y) (x + y - 1) / y #define print(t) cout << (t) << "\n"; #define printk(v) rep(i, 0, len(v) - 1) { cout << v[i] << " "; } cout << v.back() << endl; int main() { ll a, b; cin >> a >> b; ll ab = a + b; ll c = __gcd(a, b); a /= c; b /= c; ll gcd_a = __gcd(ab, a); ab /= gcd_a; ll gcd_b = __gcd(ab, b); ab /= gcd_b; ll gcd_c = __gcd(ab, c); ab /= gcd_c; ll gcd_d = __gcd(ab, c); print(gcd_a * gcd_b * gcd_c * gcd_d); return 0; }