#include<iostream>
#include<cstdio>
#include<cstring>
#include<algorithm>

#define FORI(n) for(int i = 0; i < n; i++)
#define FORJ(n) for(int j = 0; j < n; j++)
#define FORK(n) for(int k = 0; k < n; k++) 
#define FOR2I(a, B) for(int i = 0; i < a; i ++) for(int j = 0; j < b; j++)
#define FORIT(S) for(auto it = S.begin(); it != S.end(); it++)

int main(){
	int a, b; 
	cin >> a;
	cin >> b;
	if(a * b % 2 == 1) cout << "Odd" << endl; 
	else cout << "Even" << endl;
	return 0;
}