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

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

def res(expr):
    print('even' if eval(''.join(expr)) % 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] = new
    res(expr)