/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
Scanner s
=new Scanner
(System.
in); int n=s.nextInt();
int i,j;
if(n<3 || n%2==0){
return;
}
for(i=0;i<n+2;i++){
//space from last *//
for(j=0;j<n-1;j++){
if(i==n+1){
}
else{
}
}
//single line//
//line first//
if(i==0){
for(j=1;j<=n+2;j++){
}
}
//line second//
if(i==(n+2)/2){
for(j=1;j<n+1;j++){
}
}
}
}
}
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