/*

     题意：光线从 '*' 发射，遇到 '/' 或 '\' 进行反射，最后射到墙上，将 'x' 变成 '&'

     模拟：仔细读题，搞清楚要做什么，就是i,j的移动，直到撞到墙，模拟一下一次AC，不要被题目吓怕了:)

 */

 #include <cstdio>

 #include <iostream>

 #include <algorithm>

 #include <stack>

 #include <cmath>

 #include <cstring>

 #include <vector>

 using namespace std;

 const int MAXN = 1e4 + ;

 const int INF = 0x3f3f3f3f;

 char g[][];

 int main(void)        //CSU 1562 Fun House

 {

     //freopen ("B.in", "r", stdin);

     int n, m, cas = ;

     while (scanf ("%d%d", &m, &n) == )

     {

         if (n ==  && m == )    break;

         for (int i=; i<n; ++i)

         {

             scanf ("%s", &g[i]);

         }

         printf ("HOUSE %d\n", ++cas);

         int sx = -, sy = -;

         int num = ;

         for (int i=; i<n; ++i)

         {

             for (int j=; j<m; ++j)

             {

                 if (g[i][j] == '*')

                 {

                     if (j == ) num = ;

                     else if (j == m-)    num = ;

                     else if (i == )    num = ;

                     else if (i == n-)    num = ;

                     sx = i;    sy = j;

                     break;

                 }

             }

         }

         while ()

         {

             if (num == )

             {

                 ++sy;

                 if (g[sx][sy] == '/')    num = ;

                 else if (g[sx][sy] == '\\')    num = ;

                 else if (g[sx][sy] == 'x')

                 {

                     g[sx][sy] = '&';    break;

                 }

             }

             else if (num == )

             {

                 --sy;

                 if (g[sx][sy] == '/')    num = ;

                 else if (g[sx][sy] == '\\')    num = ;

                 else if (g[sx][sy] == 'x')

                 {

                     g[sx][sy] = '&';    break;

                 }

             }

             else if (num == )

             {

                 ++sx;

                 if (g[sx][sy] == '/')    num = ;

                 else if (g[sx][sy] == '\\')    num = ;

                 else if (g[sx][sy] == 'x')

                 {

                     g[sx][sy] = '&';    break;

                 }

             }

             else if (num == )

             {

                 --sx;

                 if (g[sx][sy] == '/')    num = ;

                 else if (g[sx][sy] == '\\')    num = ;

                 else if (g[sx][sy] == 'x')

                 {

                     g[sx][sy] = '&';    break;

                 }

             }

         }

         for (int i=; i<n; ++i)

         {

             for (int j=; j<m; ++j)

             {

                 printf ("%c", g[i][j]);

             }

             puts ("");

         }

     }

     return ;

 }

 /*

 HOUSE 1

 xxxxxxxxxxx

 x../..\...x

 x..../....x

 *../......x

 x.........x

 xxxxxx&xxxx

 HOUSE 2

 xxxxx

 *...&

 x...x

 x...x

 xxxxx

 HOUSE 3

 xxxxx

 x./\x

 *./.x

 x..\&

 xxxxx

 HOUSE 4

 xxx*xx

 x/...x

 x....x

 x/./.&

 x\./.x

 xxxxxx

 HOUSE 5

 xxxxxxxxxx

 x.../\...x

 x........x

 x........x

 &.../\..\x

 *...\/../x

 x........x

 x........x

 x...\/...x

 xxxxxxxxxx

 */