import java.io.*;
import java.util.*;
class Ass{
    public static void main(String[] args)throws IOException{
    //    Thread t = Thread.currentThread();
        
        int maxcol = 60;
        int maxrow = 20;
        int colpos = 0;
        int rowpos = 0;
        char[][]array = new char[20][60];

    
        Scanner in = new Scanner(new FileReader("obstruct.txt"));    


            int i =0;
            int j =0;
            System.out.print(array[i][j]='X');
            
         for (i =1; i<array.length;i++){
             String ss = in.nextLine();
              for(j = 1; j<array[i].length;j++){
                   array[i][j]= ss.charAt(j);
                   System.out.print(array[i][j]);
               }
               System.out.println("  ");
         }
    
        int ans = check();
        if (ans==1){
        right(array,rowpos, colpos,ans,maxcol);    
                PrintResults(array);
        }else if(ans ==2){
            left(array,rowpos, colpos,ans,maxcol);
                    PrintResults(array);
        } else if (ans ==3){
            up(array,rowpos, colpos,ans,maxrow,maxcol);    
                PrintResults(array);    
        }else if(ans ==4){
            down(array,rowpos, colpos,ans,maxcol,maxrow);
            PrintResults(array);
        }else{
                Quit(ans);
        }
    }//end main
    
    public static int check(){
        Scanner in = new Scanner(System.in);
            System.out.println("1.Right"+"  "+ "2. Left"+" "+"3. Up"+" "+"4. Down"+" "+"5.Quit");
            int choice = in.nextInt();
            return choice;
    }    
        
    public static boolean isEmpty(char[][]arr, int rpos,int cpos){
            return ((arr[rpos][cpos])==0);
        }
        
    
    public static void right(char[][]ar, int rpos, int cpos, int answ, int mcol){
    
    
    if((rpos == 0)&&(cpos>=0)&&(cpos<mcol-1)){
        cpos++;
        
        if(isEmpty(ar,rpos, cpos)){
            
            ar[rpos][cpos] = 'X';
            System.out.print(ar[rpos][cpos]);
        }else if(!isEmpty(ar,rpos, cpos)){
            java.awt.Toolkit.getDefaultToolkit().beep();
        }        
     }
    
      
    }    
    
    public static void left(char[][]ary,int ropos, int copos,int answer, int mxcol){
        if((ropos >=0)&&(copos>=0)&&(copos<mxcol)){    
            copos = mxcol-1;
            
            
        if(isEmpty(ary,ropos, copos)){
            ary[ropos][copos] = 'X';
             System.out.print(ary[ropos][copos]);
        }else if(!isEmpty(ary,ropos, copos)){
            java.awt.Toolkit.getDefaultToolkit().beep();
        }
            }
}
    
    public static void up(char[][]arry,int rrpos, int ccpos,int answ, int mxrow, int mxcol){
            if((rrpos < mxrow)&&(ccpos>=0)&&(ccpos<mxcol)){
            rrpos = 0;
        if(isEmpty(arry,rrpos, ccpos)){
            arry[rrpos][ccpos] = 'X';
             //System.out.print(arry[rrpos][ccpos]);
        }else if(!isEmpty(arry,rrpos, ccpos)){
            java.awt.Toolkit.getDefaultToolkit().beep();
        }
    }
}
    
    public static void down(char[][]array1,int rowpos1, int colpos1,int answer1, int mxcol1, int mxrow1){
        if((rowpos1 <= 0)&&(colpos1>=0)&&(colpos1<mxcol1)){
            rowpos1 = mxrow1 - 1;
        
        if(isEmpty(array1,rowpos1, colpos1)){
            array1[rowpos1][colpos1] = 'X';
            System.out.print(array1[rowpos1][colpos1]);
        }else if(!isEmpty(array1,rowpos1, colpos1)){
            java.awt.Toolkit.getDefaultToolkit().beep();
            array1[rowpos1][colpos1++]='X';
            System.out.print(array1[rowpos1][colpos1]);
        }
    }    
}
    
    public static void Quit(int ansChoice){
        System.exit(0);
    }
    
    public static void PrintResults(char [][]a){
        for (int i =1; i<a.length;i++){
          for(int j = 1; j<a[i].length;j++){
              System.out.print(a[i][j]);
          }
               System.out.println("  ");
         }
        }
}//end class

void foo(int bar) { bar++; }
int n = 5;
System.out.println(n);
foo(n);
System.out.println(n);