#include<iostream>
using namespace::std;
int main(void){
	long long M;
	std::cin >> M;
	long long NH = 17763568394002504;
	long long EE =                 10000000000000000;
	long long NL =					6467781066894531;
	
	int ans = ((NH%M)*(EE%M)+(NL%M))%M;
	if( ans%2 == 0 ){
		cout << "even" << endl;
	}else{
		cout << "odd" << endl;
	}
}