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22 lines
374 B
C#
22 lines
374 B
C#
using System;
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namespace problem_118A
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{
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class problem_118A
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{
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static void Main(string[] args)
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{
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char[] r = {'a', 'o', 'y', 'e', 'u', 'i'};
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string s = Console.ReadLine().ToLower();
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foreach (char c in r)
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{
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s = s.Replace(char.ToString(c), "");
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}
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foreach (char c in s)
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{
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Console.Write(".{0}", c);
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}
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}
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}
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}
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