def is_odd(arr):
    i = 1
    a = arr[:]
    while i < len(a):
        if a[i] == '*':
            tmp = a[i - 1] * a[i + 1]
            b = a[i + 2:]
            a = a[:i - 1]
            a.append(tmp)
            a.extend(b)
            #print(a)
            i -= 1
        i += 1
    i = 1
    while i < len(a):
        if a[i] == '+':
            tmp = (a[i - 1] + a[i + 1]) % 2
            b = a[i + 2:]
            a = a[:i - 1]
            a.append(tmp)
            a.extend(b)
            #print(a)
            i -= 1
        i += 1
        if i < len(a) and a[i] == '-':
            tmp = abs(a[i - 1] - a[i + 1]) % 2
            b = a[i + 2:]
            a = a[:i - 1]
            a.append(tmp)
            a.extend(b)
            #print(a)
            i -= 1
    return a[0]


def main():
    N, M = list(map(int, input().split(' ')))
    whole_line = input().split(' ')
    new_line = whole_line[:]
    for i in range(0,len(whole_line),2):
        new_line[i] = int(whole_line[i][-1]) % 2
    #print(new_line)
    if not is_odd(new_line):
        print('even')
    else:
        print('odd')
    for i in range(M):
        x, n = list(map(int, input().split(' ')))
        new_line[(x - 1) * 2] = n % 2
        ##print(new_line)
        if not is_odd(new_line):
            print('even')
        else:
            print('odd')


if __name__ == '__main__':
    main()