#include<iostream>
using namespace std;
#define MAGIC_NUMBER -1000;

int main()
{
    int n;
	cin>>n;

	int **board = new int*[n+2];
	for(int i=0;i<n+2;i++)
	{
		board[i] = new int[n+2];
	}

	for(int row=1;row<=n;row++)
	{
		for(int column=1; column<=n; column++)
		{
			char input;
			cin>>input;
			switch(input)
			{
			case '-':
				board[row][column]=0;
				break;
			case '*':
				board[row][column]=MAGIC_NUMBER;
				break;
			}
		}
	}

	for(int row=1;row<=n;row++)
	{
		for(int column=1; column<=n; column++)
		{
			if(board[row][column]<0)
			{
				board[row][column+1]++;
				board[row][column-1]++;
				board[row+1][column]++;
				board[row-1][column]++;
				board[row-1][column+1]++;
				board[row+1][column+1]++;
				board[row-1][column-1]++;
				board[row+1][column-1]++;
			}
		}
	}

	for(int row=1;row<=n;row++)
	{
		for(int column=1; column<=n; column++)
		{
			if(board[row][column]<0)
			{
				cout<<'*';
			}
			else if(board[row][column]==0)
			{
				cout<<'-';
			}
			else
			{
				cout<<board[row][column];
			}
		}
		cout<<endl;
	}

	return 0;
}