#include<iostream>
#include<map>
#include<bits/stdc++.h>
using namespace std;

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

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

    return 0;
}