#include <iostream>

using namespace std;

int main()
{
    int n;
    cin >> n;
    int t[n];
    int i, s;
    for (i=0; i<n; i++)
    {
        cin >> t[i];
    }
    s=0;
    for (i=0; i<n; i++)
    {
        s=s+t[i];
    }
    if (s%n==0)
    {
        cout << "IGEN" << endl;
    }
    else
    {
        cout << "NEM" << endl;
    }
    i=0;
    while (i<n)
    {
        if (t[i]>s/n)
        {
            cout << t[i]-s/n << " ";
        }
        else
        {
            cout << "0 ";
        }
        i=i+1;
    }

    return 0;
}