• [I] Illusionary Kindergarten Examination

  • 时间限制: 1000 ms 内存限制: 65535 K
  • 问题描述
  • Let's see a paper of an illusionary kindergarten examination.

    Can you solve it?


    Well, it's a spoof problem.
  • 输入
  • This problem contains several cases.
    Each case is a number N. (0 <= N <= 10 ^ 100)
  • 输出
  • For each case, you should output its answer.
  • 样例输入
  • 7111
    8809
    2889
    
  • 样例输出
  • 0
    6
    5
    
  • 提示
  • 来源
  • XadillaX
  • 操作

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