#include <bits/stdc++.h>
using namespace std;
inline int min(int _a, int _b) { return _a < _b ? _a : _b; }
inline int max(int _a, int _b) { return _a > _b ? _a : _b; }
const int inf = 0x3f3f3f3f;
const double eps = 1e-8;
template <class _T>
inline void rd(_T &_a) {
  int _f = 0, _ch = getchar();
  _a = 0;
  while (_ch < '0' || _ch > '9') {
    if (_ch == '-') _f = 1;
    _ch = getchar();
  }
  while (_ch >= '0' && _ch <= '9')
    _a = (_a << 1) + (_a << 3) + _ch - '0', _ch = getchar();
  if (_f) _a = -_a;
}
const int maxn = 100100;
int a, b;
int main() {
  rd(a);
  rd(b);
  if (a * b % 2 == 0)
    puts("even");
  else
    puts("odd");
  return 0;
}
