using System;
using System.Linq;

namespace _6._Target_Practice
{
    public class Program
    {
        public static void Main()
        {
            var sizes = Console.ReadLine()
                .Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries)
                .Select(int.Parse)
                .ToArray();

            var rows = sizes[0];
            var cols = sizes[1];
            var snakeString = Console.ReadLine();
            var matrix = new char[rows,cols];

            FillingStairsWithSnakes(matrix, snakeString);

            var bombPositionAndRadius = Console.ReadLine()
                .Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries)
                .Select(int.Parse)
                .ToArray();

            KillingTheSnakes(matrix, bombPositionAndRadius);

            RearangeMatrix(matrix);

            PrintTheMatrix(matrix);

        }

        public static void FillingStairsWithSnakes(char[,]matrix, string snakeString)
        {
            var snakeIndex = 0;
            var rowIndex = 0;

            for (int row = matrix.GetLength(0) - 1; row >= 0; row--)
            {
                if (rowIndex % 2 == 0)
                {
                    for (int col = matrix.GetLength(1) - 1; col >= 0; col--)
                    {
                        matrix[row, col] = snakeString[snakeIndex++ % snakeString.Length];
                    }
                    rowIndex++;
                }
                else
                {
                    for (int col = 0; col < matrix.GetLength(1); col++)
                    {
                        matrix[row, col] = snakeString[snakeIndex++ % snakeString.Length];
                    }
                    rowIndex++;
                }

            }
        }

        public static void KillingTheSnakes(char[,] matrix, int[] bombPositionAndRadius)
        {
            var bombRadius = bombPositionAndRadius[2];
            var bombRow = bombPositionAndRadius[0];
            var bombCol = bombPositionAndRadius[1];

            for (int row = 0; row < matrix.GetLength(0); row++)
            {
                for (int col = 0; col < matrix.GetLength(1); col++)
                {
                    var a = bombRow - row;
                    var b = bombCol - col;

                    double distance = Math.Sqrt(a * a + b * b);
                    if (distance <= bombRadius)
                    {
                        matrix[row, col] = ' ';
                    }
                }
            }
        }

        public static void RearangeMatrix(char[,] matrix)
        {
            for (int row = matrix.GetLength(0) - 1; row >= 0; row--)
            {
                for (int col = matrix.GetLength(1) - 1; col >= 0; col--)
                {
                    if (matrix[row, col] == ' ')
                    {
                        var currentRow = row;

                        while (matrix[currentRow, col] == ' ' && currentRow > 0)
                        {
                            matrix[row, col] = matrix[--currentRow, col];
                        }
                        matrix[currentRow, col] = ' ';
                    }
                }
            }
        }

        public static void PrintTheMatrix(char[,] matrix)
        {
            for (int row = 0; row < matrix.GetLength(0); row++)
            {
                for (int col = 0; col < matrix.GetLength(1); col++)
                {
                    Console.Write(matrix[row,col]);
                }
                Console.WriteLine();
            }
        }
    }
}