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

cond = input()
changes = []
for _ in range(m):
    changes.append(input())

cond_numbers = []
cond_operators = []
num = ""
for char in cond:
    if char == " ":
        continue
    elif char == "+" or char == "-" or char == "*":
        cond_numbers.append(num)
        num = ""
        cond_operators.append(char)
    else:
        num += char
cond_numbers.append(num)

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]
    cond_numbers[index] = val
    ret = ""
    for i in range(n - 1):
        ret += cond_numbers[i] + cond_operators[i]
    ret += cond_numbers[n - 1]
    print("even" if eval(ret) % 2 == 0 else "odd")