import std.stdio, std.array, std.string, std.conv, std.algorithm;
import std.typecons, std.range, std.random, std.math, std.container;
import std.numeric, std.bigint, core.bitop, core.stdc.string;

void main() {
    auto s = readln.split.map!(to!long).array;
    auto B = s[0];
    auto K = s[1];
    auto A = readln.split.map!(to!long).array;

    long X = 0;
    B %= 2;

    foreach (i, a; A) {
        if (i != K - 1) {
            X += B * a % 2;
            X %= 2;
        } else {
            X += a % 2;
            X %= 2;
        }
    }

    writeln(X ? "odd" : "even");
}
