import java.util.ArrayList;

import java.util.Scanner;

public class IntegerManager $\{$

public static void printSize$($ArrayList numsList$)\{$

System.out.println$("$size $"+$ numsList.size$())$;

$\}$

public static void main$($String$[]$ args$)\{$

Scanner scnr $=$ new Scanner$($System$.$in$)$;

int currVal;

ArrayList intList $=$ new ArrayList$()$;

printSize$($intList$)$;

currVal $=$ scnr$.$nextInt$()$;

while $($currVal $>=0)\{$

intList.add$($currVal$)$;

currVal $=$ scnr$.$nextInt$()$;

$\}$

printSize$($intList$)$;

intList.clear$()$;

printSize$($intList$)$;

$\}$

$\}$