#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cmath>
#include<climits>
#include<cstring>
using namespace std;
int a,b;
int main()
{
	scanf("%d%d",&a,&b);
	if((a*b)%2==0)printf("Even\n");
	else printf("Odd\n");
}