i=0
username ='機智姐'
password ='123'
while i< 3:
    name =input('請輸入賬號: ')
    pwd =int (input('請輸入密碼: '))
    if username == name and password ==pwd:

      print('登入成功')
      break
    else:
        print('登入失敗，您還有%d 次登入機會'% (2-i))
        if(2-i)==0:
            result =input('是否還想在試試？yes')
            
 
if result =='yes':
                i=0
                continue
    i +=1
else:('不要臉')