#include <stdio.h>
void main(void)
{
  int a, b;
  int ret;
  ret = scanf("%d %d", &a, &b);
  
  if( ret >= 1)
    if( (a*b)%2 != 0 )
    	printf("%s\n", "Odd");
    else
    	printf("%s\n", "Even");

}