#include <bits/stdc++.h>
using namespace std;
const long long inf = 4523372036854775807;
const long long Mod = 1000000007;
short gh[2][4] = {{0, 0, -1, 1}, {-1, 1, 0, 0}};
struct P {
  long long pos, cost;
};
bool operator<(P a, P b) { return a.cost < b.cost; }
bool operator>(P a, P b) { return a.cost > b.cost; }
struct B {
  long long to, cost;
};
struct S {
  long long from, to, cost;
};
struct H {
  long long x, y;
};
bool operator<(H a, H b) {
  if (a.x != b.x) return a.x < b.x;
  return a.y < b.y;
}
long long gcm(long long i, long long j) {
  if (i > j) swap(i, j);
  if (i == 0) return j;
  return gcm(j % i, i);
}
long double rad(long double a, long double b, long double c, long double d) {
  return sqrt(pow(a - c, 2) + pow(b - d, 2));
}
long long ari(long long a, long long b, long long c) { return (a + b) * c / 2; }
bool suf(long double a, long double b, long double c, long double d) {
  if (b <= c || d <= a) return 0;
  return 1;
}
long long mod_pow(long long x, long long n, long long p) {
  long long res = 1;
  while (n > 0) {
    if (n & 1) res = res * x % p;
    x = x * x % p;
    n >>= 1;
  }
  return res;
}
long long a, b;
signed main() {
  cin >> a >> b;
  if (a * b % 2 == 0) {
    cout << "Odd\n";
  } else {
    cout << "Even\n";
  }
  getchar();
  getchar();
}
