#include <bits/stdc++.h>
using namespace std;

int main() {
    int n;
    cin >> n;
    int a[n], b[n];
    int sum= 0;
    for(int i = 0; i < n; i++) {
        cin >> a[i];
        sum += a[i];
    }
    sum /= n;
    if (sum % n == 0)
        cout << "IGEN" << endl;
    else {cout << "NEM"; return 0;}

    for (int i = 0; i < n;i++) {
        if ((a[i] - sum) > 0) {
            cout << a[i] - sum << " ";
        }
        else cout << 0 << " ";
    }

    return 0;

}