dic = {
'reset' :'reset what',
'reset board':'board fault',
'board add':'where to add',
'board delete': 'no board at all',
'reboot backplane': 'impossible',
'backplane abort':'install first',
'he he':'unknown command'
}
comds = [
'reset' ,
'reset board',
'board add',
'board delete',
'reboot backplane',
'backplane abort',
'he he'
]
def check(s,comds):
count = 0
rets = ''
ins = s.split()
for cm in comds:
cmd = cm.split()
if len(cmd) == len(ins):
check_keyword = False
for i in range(len(cmd)):
if not ins[i] == cmd[i][:len(ins[i])] :
check_keyword = False
break
# print('is ? ',ins[i] , cmd[i][:len(ins[i])])
check_keyword = True
if check_keyword :
rets = cm
count = count + 1
# print('count',count)
return count == 1 , rets
try:
while True:
s = input()
check_result = check(s,comds)
if check_result[0] == True :
print(dic[check_result[1]])
else:
print("unknown command")
pass
except :
pass