package com.javarush.task.task19.task1907;
import java.util.*;
import java.io.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/*
Считаем слово
*/
public class Solution {
public static void main(String[] args)throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String fileName1 = reader.readLine();
reader.close();
FileReader fileReader = new FileReader(fileName1);
BufferedReader r = new BufferedReader(fileReader);
String line;
Pattern pattern = Pattern.compile(".world.");
Matcher matcher = null;
int count = 0;
//while (line != null) {
while ((line = r.readLine()) != null) {
//System.out.println(line);
String [] strings = line.split("");
for (int i = 0; i < strings.length; i++)
{
String str = strings[i];
String st2 = str.replaceAll("\\p{P}", "");
//System.out.println(str);
matcher = pattern.matcher(str);
if (matcher.matches()){
count++;
}
}
}
fileReader.close();
r.close();
System.out.println(count);
}
}
package com.javarush.task.task19.task1907;
import java.util.*;
import java.io.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/*
Считаем слово
*/
public class Solution {
public static void main(String[] args)throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String fileName1 = reader.readLine();
reader.close();
FileReader fileReader = new FileReader(fileName1);
BufferedReader r = new BufferedReader(fileReader);
String line;
Pattern pattern = Pattern.compile("world.*");
Matcher matcher = null;
int count = 0;
//while (line != null) {
while ((line = r.readLine()) != null) {
//System.out.println(line);
String [] strings = line.split(" ");
for (int i = 0; i < strings.length; i++)
{
String str = strings[i];
//System.out.println(str);
matcher = pattern.matcher(str);
if (matcher.matches()){
count++;
}
}
}
fileReader.close();
r.close();
System.out.println(count);
}
}