#include<stdio.h>
int main()
{
int n0;
int iCase=0;
while(scanf("%d",&n0),n0)
iCase++;
printf("%d. ",iCase);
if(n0%2==0)
printf("even %d\n",n0/2);
else
printf("odd %d\n",(n0-1)/2);
}
return 0;