CTF trend micro

c = 'x'*18
pwd = "654321"
admin = "admin"
qwerty = "qwerty"
l = [0,2,1,12,7,15,5,4,8,16,17,3,9,10,14,11,13,6,0]
i = 0
j = 0
while i < 18:
  i += 1
  c = c[:l[i]] + pwd[j] + c[l[i]+1:]
  i += 1
  c = c[:l[i]] + qwerty[j] + c[l[i]+1:]
  i += 1
  if (j < 5):
    c = c[:l[i]] + admin[j] + c[l[i]+1:]
  j += 1
print 'TMCTF{' + c[1:] + '}'