Problem: Eudokimus, a system administrator is in trouble again. As a result of an error in some script, a list of names of very important files has been damaged. Since they were files in the BerFS file system, it is known that each file name has a form "name.ext", where: 

  * name is a string consisting of lowercase Latin letters, its length is from 1 to 8 characters; 
  * ext is a string consisting of lowercase Latin letters, its length is from 1 to 3 characters. 



For example, "read.me", "example.txt" and "b.cpp" are valid file names and "version.info", "ntldr" and "contestdata.zip" are not.

Damage to the list meant that all the file names were recorded one after another, without any separators. So now Eudokimus has a single string.

Eudokimus needs to set everything right as soon as possible. He should divide the resulting string into parts so that each part would be a valid file name in BerFS. Since Eudokimus has already proved that he is not good at programming, help him. The resulting file list can contain the same file names.

Input

The input data consists of a single string s, its length is from 1 to 4·105 characters. The string can contain only lowercase Latin letters ('a' - 'z') and periods ('.').

Output

In the first line print "YES" (without the quotes), if it is possible to divide s into parts as required. In this case, the following lines should contain the parts of the required partition, one per line in the order in which they appear in s. The required partition can contain the same file names. If there are multiple solutions, print any of them.

If the solution does not exist, then print in a single line "NO" (without the quotes).

Examples

Input

read.meexample.txtb.cpp


Output

YES
read.m
eexample.t
xtb.cpp


Input

version.infontldrcontestdata.zip


Output

NO

Solution (in JAVA):

Solution:

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.StringTokenizer;

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
/**
 * 6
 * 1 0
 * 0 0
 * 0 0
 * 1 1
 * 0 1
 * 1 1
 *
 * @author pttrung
 */
public class B {

    public static boolean circle;
    public static int[] dp;

    public static void main(String[] args) throws FileNotFoundException {
        PrintWriter out;

        Scanner in = new Scanner();
        //out = new PrintWriter(new FileOutputStream(new File("output.txt")));
        out = new PrintWriter(System.out);
        String line = in.next();
        int last = -1;
        boolean ok = true;
        StringBuilder builder = new StringBuilder();
        String cur = null;
        for (int i = 0; i < line.length() && ok; i++) {
            if (line.charAt(i) == '.') {
                if (last == -1) {
                    if (i == 0 || i > 8) {
                        ok = false;
                        break;
                    }
                    cur = line.substring(0, i);
                    last = i;
                } else {
                    int l = i - last - 1;
                    if (l < 2 || l > 11) {
                        ok = false;
                        break;
                    }
                    if (l > 3) {
                        String a = line.substring(last + 1, last + 4);
                        String b = line.substring(last + 4, i);
                        builder.append(cur).append(".").append(a).append("\n");
                        cur = b;
                    } else {
                        String a = line.substring(last + 1, last + 2);
                        String b = line.substring(last + 2, i);
                        builder.append(cur).append(".").append(a).append("\n");
                        cur = b;
                    }
                    last = i;
                }
            }
        }
        if (line.length() - last - 1 == 0 || line.length() - last - 1 > 3 || cur == null) {
            ok = false;
        } else {
            builder.append(cur).append(line.substring(last));
        }
        if (ok) {
            out.println("YES");
            out.println(builder.toString());
        }else{
            out.println("NO");
        }
        out.close();
    }

    public static void builder(int index, String val, Node node) {
        if (index == val.length()) {
            return;
        }
    }

    public static class Node {

        int val;
        Node[] next = new Node[26];

        public Node(int val) {
            this.val = val;
        }
    }

    public static Line getLine(Point a, Point b) {
        int c = (a.x - b.x);
        int d = (a.y - b.y);
        if (c == 0) {
            return new Line(1, 0, -a.x);
        } else if (d == 0) {
            return new Line(0, 1, -a.y);
        } else {
            double rate = (double) (-d) / c;

            double other = ((double) rate * a.x) + a.y;
            //System.out.println(a + "|" + b + ": " + rate + " " + other);
            return new Line(rate, 1, -other);
        }
    }

    public static class Line {

        double a, b, c;

        public Line(double a, double b, double c) {
            this.a = a;
            this.b = b;
            this.c = c;
        }

        @Override
        public int hashCode() {
            int hash = 7;
            hash = 47 * hash + (int) (Double.doubleToLongBits(this.a) ^ (Double.doubleToLongBits(this.a) >>> 32));
            hash = 47 * hash + (int) (Double.doubleToLongBits(this.b) ^ (Double.doubleToLongBits(this.b) >>> 32));
            hash = 47 * hash + (int) (Double.doubleToLongBits(this.c) ^ (Double.doubleToLongBits(this.c) >>> 32));
            return hash;
        }

        @Override
        public boolean equals(Object obj) {
            if (obj == null) {
                return false;
            }
            if (getClass() != obj.getClass()) {
                return false;
            }
            final Line other = (Line) obj;
            if (Double.doubleToLongBits(this.a) != Double.doubleToLongBits(other.a)) {
                return false;
            }
            if (Double.doubleToLongBits(this.b) != Double.doubleToLongBits(other.b)) {
                return false;
            }
            if (Double.doubleToLongBits(this.c) != Double.doubleToLongBits(other.c)) {
                return false;
            }
            return true;
        }

        @Override
        public String toString() {
            return a + " " + b + " " + c;
        }
    }

    static class FT {

        int[] data;

        FT(int n) {
            data = new int[n];
        }

        void update(int index, int val) {
            // System.out.println("UPDATE INDEX " + index);
            while (index < data.length) {
                data[index] += val;
                index += index & (-index);

                //    System.out.println("NEXT " +index);
            }
        }

        int get(int index) {
            //  System.out.println("GET INDEX " + index);
            int result = 0;
            while (index > 0) {
                result += data[index];
                index -= index & (-index);
                // System.out.println("BACK " + index);
            }
            return result;
        }
    }

    public static double dist(Point a, Point b) {
        double val = (a.x - b.x) * (a.x - b.x) + (a.y - b.y) * (a.y - b.y);
        return Math.sqrt(val);
    }

    public static class Point {

        int x, y;

        public Point(int x, int y) {
            this.x = x;
            this.y = y;
        }

        @Override
        public String toString() {
            return x + " " + y;
        }
    }

    public static boolean nextPer(int[] data) {
        int i = data.length - 1;
        while (i > 0 && data[i] < data[i - 1]) {
            i--;
        }
        if (i == 0) {
            return false;
        }
        int j = data.length - 1;
        while (data[j] < data[i - 1]) {
            j--;
        }
        int temp = data[i - 1];
        data[i - 1] = data[j];
        data[j] = temp;
        Arrays.sort(data, i, data.length);
        return true;
    }

    public static long pow(int a, int b) {
        if (b == 0) {
            return 1;
        }
        if (b == 1) {
            return a;
        }
        long val = pow(a, b / 2);
        if (b % 2 == 0) {
            return val * val;
        } else {
            return val * val * a;
        }
    }

    public static long gcd(long a, long b) {
        if (b == 0) {
            return a;
        }
        return gcd(b, a % b);
    }

    public static long lcm(long a, long b) {
        return a * b / gcd(a, b);
    }

    static class Scanner {

        BufferedReader br;
        StringTokenizer st;

        public Scanner() throws FileNotFoundException {
            // System.setOut(new PrintStream(new BufferedOutputStream(System.out), true));
            br = new BufferedReader(new InputStreamReader(System.in));
            //  br = new BufferedReader(new FileReader(new File("output.txt")));
        }

        public String next() {

            while (st == null || !st.hasMoreTokens()) {
                try {
                    st = new StringTokenizer(br.readLine());
                } catch (Exception e) {
                    throw new RuntimeException();
                }
            }
            return st.nextToken();
        }

        public long nextLong() {
            return Long.parseLong(next());
        }

        public int nextInt() {
            return Integer.parseInt(next());
        }

        public double nextDouble() {
            return Double.parseDouble(next());
        }

        public String nextLine() {
            st = null;
            try {
                return br.readLine();
            } catch (Exception e) {
                throw new RuntimeException();
            }
        }

        public boolean endLine() {
            try {
                String next = br.readLine();
                while (next != null && next.trim().isEmpty()) {
                    next = br.readLine();
                }
                if (next == null) {
                    return true;
                }
                st = new StringTokenizer(next);
                return st.hasMoreTokens();
            } catch (Exception e) {
                throw new RuntimeException();
            }
        }
    }
}