import java.util.Scanner;
class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int Case = 1;
int N = sc.nextInt();
while(N!=0) {
int N1 = 3*N;
int N2 = 0;
if(N1%2 ==0) {
N2 =N1/2;
System.out.printf("%d. even ", Case);
} else {
N2 =(N1+1)/2;
System.out.printf("%d. odd ", Case);
}
int N4 = N2/3;
System.out.println(N4);
N = sc.nextInt();
Case++;
}
}
}