import java.util.Scanner;
class d010 {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        while (in.hasNext()) {
            int n = in.nextInt();
            if (num(n) == n) System.out.println("完全數");
            else System.out.println(num(n) > n ? "盈數" : "虧數");
        }
    }

    static int num(int n) {
        int res = 0;
        for (int i = 1; i <= n / 2; i++)
            if (n % i == 0)
                res += i;
        return res;
    }
}