#include #include #include #include #include #include #include #include #include #include #include #include #include #define p(s) cout<<(s)<=n;i--) #define CK(n,a,b) ((a)<=(n)&&(n)<(b)) #define F first #define S second typedef long long int ll; using namespace std; const int mod=1e9+7; ll A,B; int main(){ cin>>A>>B; ll sum = A+B; ll g = __gcd(A,B); p(g * __gcd(A/g+B/g,g)); return 0; }