import java.util.Scanner;

public class Problem_3 {

	public static void main(String[] args) {
		Scanner see = new Scanner(System.in);
		int n = see.nextInt();
		see.nextLine();
		String[][] arr1 = new String[n][];
		String[][] arr2 = new String[n][];
		int[][] mas1 = new int[n][];
		int[][] mas2 = new int[n][];
		for (int i = 0; i < n; i++) {
			String in = see.nextLine().trim();
			arr1[i] = in.split(" +");
		}
		for (int i = 0; i < n; i++) {
			String in = see.nextLine().trim();
			arr2[i] = in.split(" +");
		}
		int length = arr1[0].length + arr2[0].length;
		int counter = 0;
		for (int i = 0; i < n; i++) {
			if(((arr1[i].length + arr2[i].length)) != length){
				counter++;
			}
		}
		String[][] fin = new String[n][length];
		if(counter == 0){
			for (int i = 0; i < n; i++) {
				for (int j = 0; j < arr1[i].length; j++) {
					fin[i][j] = arr1[i][j];
				}
				for (int j = arr2[i].length-1, k = arr1[i].length;j >= 0 && k < length; j--,k++) {
					fin[i][k] = arr2[i][j];
				}
			}
		}
		if(counter == 0){
		for (int i = 0; i < n; i++) {
			System.out.print("[");
			for (int j = 0; j < fin[i].length; j++) {

				if(j == fin[i].length-1){
					System.out.print(fin[i][j]+"]");
				}
				else{
					System.out.print(fin[i][j]+", ");
				}
			}
			System.out.println();
		}
		}
		if(!(counter == 0)){
			int countcells = 0;
				for (int j = 0; j < n; j++) {
					countcells+= arr1[j].length;
				}
				for (int j = 0; j < n; j++) {
					countcells+= arr2[j].length;
				}
			System.out.println("The total number of cells is: " + countcells);
		}
	}

}