#include<bits/stdc++.h>
using namespace std;
#define FOR(i,a,b) for (int i=(a);i<(b);i++)
#define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--)
#define REP(i,n) for (int i=0;i<(n);i++)
#define RREP(i,n) for (int i=(n)-1;i>=0;i--)
typedef long long LL;
LL gcd(LL a,LL b){
   if(b==0)return a;
   return gcd(b,a%b);
}
int main(){
        LL A,B;
	cin>>A;
	cin>>B;
	LL C,D;
	LL l1=gcd(A,B);
	C=A/l1;
	D=B/l1;
        cout<<l1*gcd(C+D,l1)<<endl;
	return(0);
}