inputs = []

(n, m) = [int(i) for i in input().split()]

expression = input()
zmeny = []
for i in range(m):
    zmeny.append([int(i) for i in input().split()])

splitted = [i for i in expression.split()]

for i in range(len(splitted)):
    if splitted[i] not in ['+', '-', '*']:
        splitted[i] = int(splitted[i]) % 2 == 0

def check():
    res = None
    posledne_cisla = []
    for i in splitted:
        if i in ['+', '-']:
            vysledok_nasobenia = posledne_cisla[0]
            for j in posledne_cisla[1:]:
                if not vysledok_nasobenia and not j:
                    vysledok_nasobenia = False
                else:
                    vysledok_nasobenia = True
            if res is None:
                res = vysledok_nasobenia
            else:
                res = res == vysledok_nasobenia
            posledne_cisla = []
            continue

        if i == '*':
            if not i:
                res = not res
            continue

        posledne_cisla.append(i)

    if len(posledne_cisla) > 0:
        vysledok_nasobenia = posledne_cisla[0]
        for j in posledne_cisla[1:]:
            if not vysledok_nasobenia and not j:
                vysledok_nasobenia = False
            else:
                vysledok_nasobenia = True

        if res is None:
            res = vysledok_nasobenia
        else:
            res = res == vysledok_nasobenia
    return res


print('even' if check() else 'odd')

for i in zmeny:
    index = (i[0] - 1) * 2
    splitted[index] = i[1] % 2 == 0
    print('even' if check() else 'odd')

# 6 4
# 11 + 22 * 33 - 44 * 55 * 66
# 1 2
# 2 3
# 4 5
# 3 5
# /acm/cteams/cteam052/PycharmProjects/pythonProject