#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("inversmodular.in");
ofstream fout("inversmodular.out");
int main()
{
    long long int a,n,c,y;
    fin>>a>>n;
    y=n;
    c=n+1;
    while(c%a!=0)
    {
        c+=y;
    }
    fout<<c/a;
    return 0;
}