#include <bits/stdc++.h>
using namespace std;

int main(){
	int a;
	int b;
	//int output;
	cin >> a >> b ;

	int x = a * b;

	if (x % 2 == 1){
		cout << "odd"
	}else{
		cout << "Even"
	}
	//cout << x / 2 << endl;
}