canguri

#include<iostream>
#include<fstream>
#include<climits>
using namespace std;
ifstream fin("canguri.in");
ofstream fout("canguri.out");
int v[505];
int main()
{
    int i, b, n, r, m=1, d, maxim=INT_MIN  ;
    fin>>n;
    for(i=1; i<=n; i++)
    {
        fin>>v[i];
        if(v[i]>maxim)
        {
            maxim=v[i];
        }
        b=v[i];
        d=m;
        while(b)
        {
            r=d%b;
            d=b;
            b=r;
        }
        m=m*v[i]/d;
    }
    d=m;
    if(d/maxim==1)
    {
        fout<<3*d;
    }
    if(d/maxim==2)
    {
        fout<<2*d;
    }
    if(d/maxim>=3)
    {
        fout<<d;
    }
    fin.close();
    fout.close();
    return 0;
}