#include "bits/stdc++.h"
using namespace std;
#define FOR(i,j,k) for(int (i)=(j);(i)<(int)(k);++(i))
#define rep(i,j) FOR(i,0,j)
#define each(x,y) for(auto &(x):(y))
#define mp make_pair
#define mt make_tuple
#define all(x) (x).begin(),(x).end()
#define debug(x) cout<<#x<<": "<<(x)<<endl
#define smax(x,y) (x)=max((x),(y))
#define smin(x,y) (x)=min((x),(y))
#define MEM(x,y) memset((x),(y),sizeof (x))
#define sz(x) (int)(x).size()
#define pb push_back
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<ll> vll;

string S = "11584252666132299577528321462444308850849319494533105311421957555193093064439883412934193317800371433";

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);

    ll M;
    cin >> M;
    assert(M <= 40);
    ll x = 0;
    each(c, S) {
        x = x * 10 + (c - '0');
        x %= M;
    }
    cout << (x & 1 ? "odd" : "even") << endl;
}