/* package whatever; // don't place package name! */
 
import java.util.*;
import java.util.regex.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String theString = "123dfsdf456,fdkk-789;";
		Pattern p = Pattern.compile("\\d+");  
    	Matcher m = p.matcher(theString);  
    	while (m.find()) {
        	String substring =m.group();
        	System.out.println(substring);
    	}
    }
}

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