#include <iostream>
#include <fstream>

using namespace std;

const int U=1001;

int main()
{
   // ifstream fin("be.in");
    int n;
    int a[U];
    cin>>n;
    int ossz=0;
    for (int i=1;i<=n;i++)
    {
        cin>>a[i];
        ossz+=a[i];
    }

    if (ossz%n!=0)
    {
        cout<<"NEM"<<endl<<n-ossz%n;
    }
    else
    {
        cout<<"IGEN"<<endl;
        int atl=ossz/n;
        for (int i=1;i<=n;i++)
        {
            if (a[i]<atl)
            {
                cout<<"0"<<" ";
            }
            else
                cout<<a[i]-atl<< " ";
        }
    }
    return 0;
}