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

unsigned long long int gcd(unsigned long long int a,unsigned long long int b){
    if(a==0||b==0) return 0;
    while(a!=b){
        if(a>b) a-=b;
        else b-=a;
    }
    return a;
}

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);
    if(x*amltb>0)cout<<x*gcd(aplsb,x*amltb)<<endl;
    else cout<<x*gcd(aplsb,amltb)<<endl;
    return 0;
}