nums = input()
n, m = nums.split()
n = int(n)
m = int(m)
inp: str = input()
ss = inp.split()

vals = []
for i in range(m):
    ns = input()
    nn, mm = ns.split()
    vals.append((int(nn), mm))

ev = eval(inp)

if ev % 2 == 0:
    print("even")
else:
    print("odd")

for val in vals:
    #ss_copy = ss.copy()
    ss[2*val[0] - 2] = val[1]

    out: str = "".join(ss)
    ex = eval(out)

    if ex % 2 == 0:
        print("even")
    else:
        print("odd")