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