#include <iostream>

using namespace std;

int main()
{
    int n;
    cin >>n;
    int sum=0;
    int atlag;
    int k[n];
    for(int i=0;i<n;i++){
        cin>>k[i];
        sum=sum+k[i];
    }
    atlag=sum/n;
    if(sum%n==0){
        cout<<"IGEN"<<endl;
    }
    else{

        cout<<"NEM"<<endl<<n-sum%n;
        return 0;
    }

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