#include <vector>
#include <list>
#include <map>
#include <set>
#include <deque>
#include <stack>
#include <bitset>
#include <queue>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <climits>
#include <cstdlib>
#include <ctime>
#include <cstring>
#include <cassert>
#include <unordered_set>
#include <unordered_map>
using namespace std;
int a, b;
int main() {
    while (cin >> a >> b) {
        a *= b;
        if (a % 2 == 1) cout << "Odd" << endl;
        else cout << "Even" << endl;
    }
    return 0;
}
