Pls need help
package com.codegym.task.task19.task1908;
/*
Picking out numbers
*/
import java.io.*;
import java.util.ArrayList;
import java.io.FileWriter;
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader fileReader = new BufferedReader(new InputStreamReader(System.in));
String line;
String resultLine = "";
String[] tmp;
int ifNumber;
while(true) {
line = fileReader.readLine();
if ( line == null ) break;
tmp = line.split(" ");
for(String element : tmp){
try {
ifNumber = Integer.parseInt(element.trim());
resultLine = resultLine + ifNumber + " ";
}
catch(Exception e){}
}
fileWriter.write(resultLine);
}
}
}