#include <iostream>

using namespace std;

int main()
{
    int a[100][100] = {0};
    int n, m;
    cin >> n >> m;
    for(int i = 0; i < m; i++)
    {
        int x, y;
        cin >> x >> y;
        a[x][y] = 1;
        a[y][x] = 1;
    }
    for(int i = 1; i <= n; i++)
    {
        int s = 0;
        for(int j = 1; j <= n; j++)
        {
            s += a[i][j];
            s += a[j][i];
        }
        if(s == 0)
            cout << "Nodul " << i << " este nod izolat\n";
        if(s == 1)
            cout << "Nodul " << i << " este nod terminal\n";
    }
    return 0;
}