ソースコード
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
#define rep(i, h) for(int i = 0; i < (h); ++i)
#define reps(i, s, h) for(int i = (s); i < (h); ++i)
#define rrep(i, s, h) for(int i = (s); i >= (h); --i)
#define vi vector<int>
#define vl vector<ll>
#define pl pair<ll, ll>
#define all(v) (v).begin(), (v).end()
template <class T> void chmin(T &v, T b) {
if(v > b)
v = b;
}
template <class T> void chmax(T &v, T b) {
if(v < b)
v = b;
}
const ll inf = LONG_LONG_MAX / 2;
const int mod = 1e9 + 7;
const int MAX = 1e6 + 5;
int main() {
ll n;
cin >> n;
if(n % 2 == 0)
cout << "Even" << endl;
else
cout << "Odd" << endl;
return 0;
}