#include <iostream>
using namespace std;
int main(int argc, char const *argv[])
{
	int a,b;
	cin>>a>>b;
	int ans = a*b;
	if (ans%2=0)
	{
		cout<<"Even"<<endl;
	}
	else {
		cout<<"Odd"<endl;
	}
	return 0;
}