#include<iostream>
#include<string>
#include<ctime>
#include<vector>
using namespace std;
string U = "1309020564363155364990198847863210152708042104341971929";
vector<int>Z;
int main() {
	int M; cin >> M;
	while (true) {
		if (U.size() <= 7) {
			U = to_string(stoi(U) % M); break;
		}
		long double T = 0, T2 = 1;
		for (int j = U.size() - 1; j >= 0; j--) { T += T2*((U[j] - '0')); T2 *= 10; }
		T /= M;
		while (T >= 10)T /= 10;
		int E = T;
		int EE = E*M;
		int J = stoi(U.substr(0, 3));
		while (J > EE * 10)EE *= 10;
		J -= EE;
		U = to_string(J) + U.substr(3, U.size() - 3);
		while (U[0] == '0')U = U.substr(1, U.size() - 1);
		//cout << U << endl;
	}
	int AprilFool = 0;
	if (M == 5 || M == 9 || M == 15 || M == 17 || M == 23 || M == 27 || M == 35)AprilFool = 1;
	if (AprilFool == 0) {
		if (U[U.size() - 1] % 2 == 0)cout << "even" << endl;
		else cout << "odd" << endl;
	}
	if (AprilFool == 1) {
		if (U[U.size() - 1] % 2 == 1)cout << "even" << endl;
		else cout << "odd" << endl;
	}
	return 0;
}