def join(ar):
    new_str = ""
    for i in range(len(ar)):
        new_str += ar[i]
    return new_str

def evenodd(n):
    if(n % 2 == 0):
        print("even")
    else:
        print("odd")

n,m = map(int,input().split())
ex = input().split()

evenodd(eval(join(ex)))

for i in range(m):
    x,y = map(int,input().split())
    ex[(x-1)*2] = str(y)
    evenodd(eval(join(ex)))

# 6 4
# 11 + 22 * 33 - 44 * 55 * 66