//2017-02-08     #include <stdio.h>#include <vector>using namespace std;void init(vector<vector<char> >&array,int size){	for (int i=0;i<size;i++)		array[i].resize(size); 	for (int i=0;i<size;i++)	{		for (int j=0;j<size;j++)		{			array[i][j]='.';		}	}}void draw(vector<vector<char> >&array,int mid,int last){	//left-top	int i=2,j=2; 	while(i<=mid){ 		array[i][j]=array[i-1][j]=array[i][j-1]='$'; 		int k=i-2;		int m=j;		while(m<=mid){			array[k][m]='$';			m++; 		}		k=i; 		m=j-2; 		while(k<=mid){			array[k][m]='$';  			k++;		}		i+=2; j+=2; 	} 	//right-top 	for (j=0;j<=mid;j++)		for (i=mid+1;i<=last;i++)			array[i][j]=array[last-i][j];  	//left-bottom 	for (j=mid+1;j<=last;j++)		for (i=0;i<=mid;i++)			array[i][j]=array[i][last-j];  	//right-bottom 	for (j=mid+1;j<=last;j++)		for (i=mid+1;i<=last;i++)			array[i][j]=array[last-i][j];  } void PRint(vector<vector<char> >array,int size){	for (int i=0;i<size;i++)	{		for (int j=0;j<size;j++)		{			printf("%c",array[i][j]);		}		printf("/n");	}}int main(){	int n;	scanf("%d",&n); 	int mid=2*n+2; 	int last=mid*2; 	vector<vector<char> >array(last+1); 	init(array,last+1); 	draw(array,mid,last);	print(array,last+1); 	return 0 ;}