import java.util.*;
class Main {
public static void main
(String[] args
) { // System.out.println("Try programiz.pro");
Scanner sc
= new Scanner
(System.
in); int n = sc.nextInt();
if(n%2==0 || n<0){
System.
out.
print("Incorrect input"); return;
}
for(int i=1;i<=n+2;i++){
for(int j=1;j<=n;j++){
if(j==n){
}else if(i==n+2){
}else{
}
}
for(int k=n+2;k>=1;k--){
if(i==1 && k>=i){
}else if(i==(n+2+1)/2 && k>=i){
}else{
}
}
}
}
}
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