#include<cstdio>  
#include<cstring>  
#include<algorithm>  
#include<iostream>  
#include<string>  
#include<vector>  
#include<stack>  
#include<bitset>  
#include<cstdlib>  
#include<cmath>  
#include<set>  
#include<list>  
#include<deque>  
#include<map>  
#include<queue>
using namespace std;
typedef long long ll;
const ll inf=1<<29;
const ll Maxn=1e6;

ll a[Maxn];

int main(){
	ll a,b,c;
	cin>>a>>b;
	c=a*b;
	if(c%2==1) printf("Odd/n");
	if(c%2==0) printf("Even/n");
}