// ArrayOfDigits.java
import java.util.*;
public class ArrayOfDigits
{		
	private final static int MAX_DIGITS = 50;		
	private static Scanner input = new Scanner(System.in);
	
	public static void main(String[] args)
	{				
		int[] firstNumber = readNumber();
		int[] secondNumber = readNumber();
		
		int[] sumOfNumbers = 
					addNumbers(firstNumber, secondNumber);		
		
		System.out.print("\nNumber #1: ");
		printNumber(firstNumber);
		
		System.out.print("Number #2: ");
		printNumber(secondNumber);
		
		System.out.print("Sum of numbers: ");
		printNumber(sumOfNumbers);
	}

	public static int[] readNumber()
	{				
		System.out.print(
			"\nEnter the number of digits in the number: ");
		int size = input.nextInt();
		
		while(size <= 0 || size > MAX_DIGITS)
		{
			System.out.print(
					"Enter the number of digits (1-50): ");
			size = input.nextInt();
		}
		
		int[] number = new int[size];
		
		for(int i = size; i >= 1; i--)
		{
			System.out.print("Enter digit #" + i + ": ");
			number[i - 1] = input.nextInt();
		}
		
		return number;
	}

	public static int[] addNumbers(
				int[] firstNumber, int[] secondNumber)
	{
		int size = firstNumber.length;
		
		if(secondNumber.length > size)
			size = secondNumber.length;
		
		int[] sum = new int[size + 1];
		
		int i = 0;
		int j = 0;
		int k = 0;
		int carry = 0;
		int temp = 0;
		
		while(i < firstNumber.length && j < secondNumber.length)
		{
			temp = firstNumber[i] + secondNumber[j] + carry;
			
			if(temp < 10)
			{
				sum[k] = temp;
				carry = 0;
			}
			else
			{
				sum[k] = temp % 10;
				carry = temp / 10;
			}
			
			i++;
			j++;
			k++;
		}
		
		while(i < firstNumber.length)
		{
			temp = firstNumber[i] + carry;
			
			if(temp < 10)
			{
				sum[k] = temp;
				carry = 0;
			}
			else
			{
				sum[k] = temp % 10;
				carry = temp / 10;
			}
			
			i++;
			k++;
		}
		
		while(j < secondNumber.length)
		{
			temp = secondNumber[j] + carry;
			
			if(temp < 10)
			{
				sum[k] = temp;
				carry = 0;
			}
			else
			{
				sum[k] = temp % 10;
				carry = temp / 10;
			}
			
			j++;
			k++;
		}
		
		sum[k] = carry;
		
		return sum;
	}
	
	public static void printNumber(int[] number)
	{
		if(number[number.length - 1] != 0)
			System.out.print(number[number.length - 1]);
		
		for(int i = number.length - 2; i >= 0; i--)
		{
			System.out.print(number[i]);
		}		
		
		System.out.println();
	}
}