Codeforces 118A StringTask program in java

StringTask.java

import java.util.Scanner;
public class StringTask 
{
    public static void main(String []args)
    {
        Scanner ip = new Scanner(System.in);
        char[] ch = new char[100];
        char[] v = {'a','e','i','o','u','y'};
        String s = ip.next().toLowerCase().replaceAll("[aeiouyAEIOUY]", "");
        StringBuilder sb = new StringBuilder();
        for(int i=0;i<s.length();i++)
        {
            sb.append(".");
            sb.append(s.charAt(i));
        }
        System.out.println(sb);
    }
}