operators = []
integers = []
op = ["+", "-", "*"]


loaded = input()
loaded = loaded.split(" ")
n = int(loaded[0])
changes = int(loaded[1])

inputExp = input()
splitted = inputExp.split(" ")
for i in splitted:
    if i in op:
        operators+=i;
    else:
        integers.append(int(i))



def evalExpression():
    result = ""
    for i,c in enumerate(integers):
        result += str(c);
        if i != len(integers)-1:
            result += operators[i]
    if (eval(result) % 2 == 0):
        print("even")
    else:
        print("odd")

evalExpression()
for i in range(changes):
    loaded = input()
    loaded = loaded.split(" ")
    fromc = int(loaded[0])
    to = int(loaded[1])


    integers[fromc-1] = to
    evalExpression()