import java.util.*;
// 3 4 5 7 6
// 1 0 2 9
public class Main {
static void sumOfTwoArray(int arr1[],int arr2[],int sum[]){
int i = arr1.length-1; // assign i pointer to end of arr1 array
int j = arr2.length-1; // assign j pointer to end of arr2 array
int k = sum.length-1; // assign k pointer to end of sum array
int carry=0;
int digit=0;
while(k>=0){
digit = carry;
if(i>=0){
digit = digit + arr1[i];
}
if(j>=0){
digit = digit + arr2[j];
}
carry = digit / 10;
digit = digit % 10;
sum[k] = digit;
i--; // decremement i by one
j--; // decremement j by one
k--; // decremement k by one
}
if(carry!=0){
System.out.print(carry);
}
for(int val : sum){
System.out.print(val+", ");
}
System.out.print("END");
}
public static void main (String args[]) {
Scanner sc = new Scanner(System.in);
// take input for size of 1st array;
int size1 = sc.nextInt();
int[] arr1 = new int[size1];
for(int i=0 ; i<arr1.length ; i++){
arr1[i] = sc.nextInt();
}
// take input for size of 2nd array
int size2 = sc.nextInt();
int[] arr2 = new int[size2];
for(int i=0 ; i<arr2.length ; i++){
arr2[i] = sc.nextInt();
}
// create sum array
int[] sum = new int[ size1 > size2 ? size1 : size2 ];
sumOfTwoArray(arr1,arr2,sum);
}
}