inputs = int(input().split(' ')[1])

def convert(char):
    if char == '+' or char == '-':
        return '+'
    if char == '*':
        return '*'
    return str(int(char) % 2)


expr = list(map(convert,filter(None, input().split(' '))))

def res(expr):
    ret = 0
    lines = ''.join(expr).split('+')
    for line in lines:
        if '*' in line:
            ret += 1 if not '0' in line else 0
            continue
        ret += int(line)
    print('even' if ret % 2 == 0 else 'odd')

res(expr)

for i in range(inputs):
    idx, new = list(filter(None, input().split(' ')))
    idx = (int(idx) - 1) * 2
    expr[idx] = str(int(new) % 2)
    res(expr)