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118A - String Task

来源：程序员人生发布时间：2014-12-12 09:00:15 阅读次数：2657次

Petya started to attend programming lessons. On the first lesson his task was to write a simple program. The program was supposed to do the following: in the given string, consisting if uppercase and lowercase Latin letters, it:

deletes all the vowels,
inserts a character "." before each consonant,
replaces all uppercase consonants with corresponding lowercase ones.

Vowels are letters "A", "O", "Y", "E", "U", "I", and the rest are consonants. The program's input is exactly one string, it should return the output as a single string, resulting after the program's processing the initial string.

Help Petya cope with this easy task.

Input

The first line represents input string of Petya's program. This string only consists of uppercase and lowercase Latin letters and its length is from 1 to 100, inclusive.

Output

Print the resulting string. It is guaranteed that this string is not empty.

Sample test(s)

input
tour

output
.t.r

input
Codeforces

output
.c.d.f.r.c.s

input
aBAcAba

output
.b.c.b

import java.util.*; public class Main { public static void main(String[] args) { Scanner sc=new Scanner(System.in); //int n=sc.nextInt(); String x=sc.nextLine().toLowerCase(); char[] ch = x.toCharArray(); char[] q=new char[300]; int qi=0; for(int i=0;i<x.length();i++) { if(ch[i]=='y'||ch[i]=='a'||ch[i]=='e'||ch[i]=='i'||ch[i]=='o'||ch[i]=='u') continue; else q[qi]='.';q[qi+1]=ch[i]; qi+=2; } if(q[0]!='.') System.out.print('.'); for(int i=0;i<qi;i++) System.out.print(q[i]); System.out.println(); } }

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