#include<stdio.h>
#include<iostream>
#include<string>
using namespace std;
string judge;
void judge(){
    cin >> a >> b;
	if(a % 2 ==0 || b % 2 == 0){
    	judge = even;
    } else {
    	judge = odd;
    }  
}

int main(){
    judge();
	cout << judge << endl;
}  