#include <iostream>
#include <fstream>

using namespace std;

ifstream f("placare1.in");
ofstream g("placare1.out");

long long n,a,b,mc,h,v1,v2;

long long cmmmc(long long n,long long m)
{
    long long a=n,b=m,r,cmc;

    while(b!=0)
    {
        r=a%b;
        a=b;
        b=r;
    }

    cmc=(m*n)/a;

    return cmc;
}

int main()
{
    f>>n>>a>>b;

    mc=cmmmc(a,n);
    v1=mc/n*b;

    mc=cmmmc(b,n);
    v2=mc/n*a;

    g<<max(v1,v2);

    return 0;
}