#include <iostream>
#include <vector>
using namespace std;

int main() {
	
	vector<bool> a(202, false);
	
    int n, diffNum, curVal;
    
    cin >> n;

    diffNum = n;

    for(int i = 0; i < n; i++)
    {
        cin >> curVal;

        if(a[curVal + 100])
        { 
            diffNum--;
            cout << " RED ALLERT >> Seen Num  --> " << curVal << " <--" << "\n";
        }
        else
        {
            a[curVal + 100] = true;
            cout << " New num  " << curVal << "\n";
        }
    }

    cout << " << Total diffNum >>  " << diffNum << endl;

	
	return 0;
}