package com.company;

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int row=Integer.parseInt(scanner.nextLine());
        String[][] matrix=new String[row][];
        for (int i = 0; i < row; i++) {
            String line=scanner.nextLine();
            matrix[i]=line.split(", ");
        }
        String[] command=scanner.nextLine().split(" ");

        if("hide".equals(command[0])) {
            hideColumnAndPrint(matrix,command[1]);
        } else if("sort".equals(command[0])) {
            sortByColumnAndPrint(matrix,command[1]);
        } else if("filter".equals(command[0])) {
            filterByColumnAndPrint(matrix,command[1],command[2]);
        }
    }
    private static void filterByColumnAndPrint(String[][] matrix, String filterColumn, String filterValue) {
        int filterColumnIndex=getColumnIndexByName(matrix[0],filterColumn);
        System.out.println(String.join(" | ",matrix[0]));
        for (int r = 1; r < matrix.length; r++) {
            if(matrix[r][filterColumnIndex].equals(filterValue)) {
                System.out.println(String.join(" | ",matrix[r]));
            }
        }
    }
    private static void sortByColumnAndPrint(String[][] matrix, String sortColumn) {
        int sortColumnIndex=getColumnIndexByName(matrix[0],sortColumn);
        for (int i = 0; i < matrix.length; i++) {
            for (int r = 1; r < matrix.length-1-i; r++) {
                if(matrix[r][sortColumnIndex]
                        .compareTo(matrix[r+1][sortColumnIndex])>0) {
                    String[] temp=matrix[r];
                    matrix[r]=matrix[r+1];
                    matrix[r+1]=temp;
                }
            }
        }
        for (int r = 0; r < matrix.length; r++) {
            for (int c = 0; c < matrix[r].length; c++) {
                System.out.print(matrix[r][c]);
                if(c!=matrix[r].length-1) {
                    System.out.print(" | ");
                }
            }
            System.out.println();
        }
    }
    private static void hideColumnAndPrint(String[][] matrix, String hiddenColumn) {
        int hiddenColumnIndex=getColumnIndexByName(matrix[0], hiddenColumn);
        for (int r = 0; r < matrix.length; r++) {
            for (int c = 0; c < matrix[r].length; c++) {
                if(c==hiddenColumnIndex){
                    continue;
                }
                System.out.print(matrix[r][c]);
                if(c!=matrix[r].length-1) {
                    if (!(c == matrix[r].length - 2 && hiddenColumnIndex == c + 1)) {
                        System.out.print(" | ");
                    }
                }
            }
            System.out.println();
        }
    }
    private static int getColumnIndexByName(String[] matrix, String columnName) {
        int hiddenColumnIndex = -1;
        for (int r = 0; r < matrix.length; r++) {
            if(matrix[r].equals(columnName)) {
                hiddenColumnIndex=r;
                break;
            }
        }
        return hiddenColumnIndex;
    }
}