#include<iostream>
#include<cstdio>
using namespace std;

unsigned long long int gcd(unsigned long long int a,unsigned long long int b){
    unsigned long long int temp;
    if( a < b ) { temp = a; a = b; b = temp; }
    if( b < 1 ) return -1;
    if( a % b == 0 ) return b;
    return gcd( b, a % b );
}

int main(){
    unsigned long long int a,b;
    unsigned long long int x;
    cin>>a>>b;
    unsigned long long int aplsb,amltb;
    if(a==1||b==1){
        cout<<1<<endl;
        return 0;
    }
    x=gcd(a,b);
    aplsb=(a+b)/x;
    amltb=(a/x)*(b/x);
    cout<<x*gcd(aplsb,x*amltb)<<endl;
    return 0;
}