/* package whatever; // don't place package name! */
 
import java.util.*;
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 example = "  sl  local_address rem_address   st tx_queue rx_queue tr tm->when retrnsmt   uid  timeout inode\n" +
    		"   0: 00000000:04D2 00000000:0000 0A 00000000:00000000 00:00000000 00000000     0        0 15662 1 ffff8800baf1c780 100 0 0 10 0\n" +
			"   1: 00000000:04D2 00000000:0000 0A 00000000:00000000 00:00000000 00000000     0        0 15662 1 ffff8800baf1c780 100 0 0 10 0";
 
		Scanner scanner = new Scanner(example);
		scanner.useRadix(16).useDelimiter("[\\s:]+");
		Set<Integer> result = new HashSet<>();
		scanner.next();
 
		while (scanner.hasNextLine()) {
			String skipped = scanner.nextLine();
    		System.out.println("Skipped: " + skipped); // skip header on first iteration and also skips remainder of previous line after we read the int
    		if (scanner.hasNextInt()) {
	    		int slot = scanner.nextInt();
			    System.out.println(slot);
    		} else {
    			System.out.println("No int avaialble");
    		}
		}
 
		System.out.println("Done");
	}
}

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