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

int main(){
	int a , b ;
	cin >> a >> b ;

	int c =  a * b  ;
	
	if(c % 2 == 0){
	cout <<  "even" << endl ;  
	}
	else
	{
	cout << "odd" << endl　;
	}
}

return 0;
