N, M = tuple(map(int, input().split()))
I = input()
arrI = I.split()
map_dict = {}
number_index = 1
for i in range(len(arrI)):
    if arrI[i].isnumeric():
        map_dict[number_index] = i
        number_index += 1
print("even" if eval(I) % 2 == 0 else "odd")
for i in range(M):
    ind, new = input().split()
    arrI[map_dict[int(ind)]] = new
    expr = "".join(arrI)
    print("even" if eval(expr) % 2 == 0 else "odd")