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

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