Special Jersey Numbers
题号:NC237408
时间限制:C/C++/Rust/Pascal 1秒,其他语言2秒
空间限制:C/C++/Rust/Pascal 256 M,其他语言512 M
64bit IO Format: %lld

题目描述

The  jersey  number  17  has  been  worn  by  several  famous  athletes,  e.g.,  John  Havlicek  (NBA), Don  Meredith  (NFL),  and  Felipe  Alou  (MLB).    The  jersey  number  18  has  also  been  worn  by several  famous  athletes,  e.g.,  Peyton  Manning  (NFL),  Joe  Morgan  (MLB),  and  Phil  Jackson (NBA).    These  two  jersey  numbers  are  special  to  Dr.  Orooji  as  well  but  for  other  reasons!    So, whenever Dr. O is watching sports, he looks for these two special numbers.

Given a list of 10 numbers, determine which special jersey number is in the list.


输入描述:

There is one input line, it consists of exactly 10single-space-separated distinct integers (each
integer between 11and 99 inclusive) giving the jersey numbers for the players.


输出描述:

Print one of four messages (17, 18, both, none), indicating which special jersey number is in the list.

示例1

输入

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11 99 88 17 19 20 12 13 33 44

输出

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17
示例2

输入

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11 12 13 14 15 16 66 88 19 20

输出

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none
示例3

输入

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20 18 55 66 77 88 17 33 44 11

输出

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both
示例4

输入

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12 23 34 45 56 67 78 89 91 18

输出

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18