#include <cstdio>
#include <iostream>
#include <cmath>
#include <cstring> 
#include <sstream>
#include <algorithm>
#include <cstdlib>
#include <map>
#include <queue>
#include <utility>
#include <vector>
#include <set>
#include <memory.h>
#include <iomanip>
#include <bitset>
#include <list>
#include <stack>
 
using namespace std;

#define mod 1000000007

long long int gcd(long long int m, long long int n)
{
    if(n == 0) return m;
    return gcd(n, m % n);
}

int main()
{
    long long int a, b;
    cin >> a >> b;
    long long int gcdab = gcd(a, b);
    a = a / gcdab;
    b = b / gcdab;
    gcdab = gcdab * gcd(a + b, gcdab);
    cout << gcdab << endl;
    return 0;
}