d = [int(i) for i in input().split(' ')]
p = d[-1]
i = -1
j = 0
n = len(d)
while j < n-1 :
    if d[j] <= p :
        i += 1
        d[i],d[j] = d[j],d[i]
    j += 1
d[-1],d[i+1] = d[i+1],d[-1]
print(d)