#include <iostream>
#include <vector>

using namespace std;

int main()
{
    int n,o; cin>>n;
    o=0;
    vector <int> x; x.resize(n+1);
    for (int i=1;i<=n;++i)
    {
        cin>>x[i];
        o+=x[i];
    }
    if (o%n==0)
    {
        cout<<"IGEN"<<"\n";
        for (int i=1;i<=n;++i)
        {
            if (x[i]>o/n) cout<<x[i]-o/n<<" ";
            else cout<<"0 ";
        }
    }
    else cout<<"NEM"<<"\n"<<o%n;
    return 0;
}