import java.util.Scanner;
import java.util.Arrays;
import java.util.*;



public class MemCalc
{
    public static void main (String [] args)
    {

    System.out.print("Command line calculator with memory by ");



        ArrayList<String> names = new ArrayList<String>();
        ArrayList<Integer> vals = new ArrayList<Integer>();

        Scanner scan = new Scanner(System.in);

        String line = scan.nextLine();
        String[] tokens = line.split(" ");
        for (String t : tokens)
        {
            System.out.println("  " + t);
        }

        ArrayList<String> toks = new ArrayList<String>();
        for (int i=0; i<tokens.length; i++)
        {
            if (tokens[i].length() != 0) toks.add(tokens[i]);
        }
        System.out.println();
        printArrayList(toks);

        String varName = toks.get(0);
        int value = Integer.parseInt( toks.get(2) );

        //vals.add(value);
        //names.add(varName);

        addVariableValue(names, vals, varName, value);

    }

    public static void addVariableValue(
        ArrayList<String> names, ArrayList<Integer> vals,
        String name, Integer value)
    {
        for (int i=0; i<names.size(); i++)
        {
            if (name.equals(names.get(i)))
            {
                vals.set(i, value);
                return;
            }
        }
        names.add(name);
        vals.add(value);
    }


public static void printArrayList(ArrayList<String> a)
    {
        for (String s : a)
        {
            System.out.println(s);
        }
    }
}