f = input()
n = int(f.split(" ")[0])
m = int(f.split(" ")[1])

cond = input()
changes = []
for _ in range(m):
    changes.append(input())
cond_split = cond.split(" ")
cond_numbers = []
cond_operators = []
for i, item in enumerate(cond_split):
    if i % 2 == 0:
        cond_numbers.append(item)
    else:
        cond_operators.append(item)

print("even" if eval(cond) % 2 == 0 else "odd")
for change in changes:
    index_val = change.split(" ")
    index = int(index_val[0]) - 1
    val = index_val[1]
    tmp = cond_numbers[index]
    cond_numbers[index] = val
    ret = ""
    for i in range(len(cond_operators)):
        ret += cond_numbers[i] + cond_operators[i]
    ret += cond_numbers[len(cond_numbers) - 1]
    print("even" if eval(ret) % 2 == 0 else "odd")