#include <stdio.h>
#include <stdlib.h>
int main()
{
int n,a;
scanf("%d",&n);
a=n%2;
if(a==0)
printf("even");
else
printf("odd");
return 0;
}
#include <stdio.h>
#include <stdlib.h>
int main()
{
int n,a;
scanf("%d",&n);
a=n%2;
if(a==0)
printf("even");
else
printf("odd");
return 0;
}