/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.Scanner;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
// your code goes here
Scanner l
= new Scanner
(System.
in); int n= l.nextInt();
// Создаем матрицу для хранения всех ответов
int [][]x = new int [n][n];
int m=(n-1)/2;
for(int i=0;i<n;i++){
for(int j=0;j<n;j++){
x[i][j]=1;
}
for(int j=i+1;j<n-i-1;j++){
x[i][j]=0;
}
}
for( int i=0;i<m;i++){
for (int j=0;j<n;j++){
if(x[i][j]==0) {
x[n-i-1][j]=0;
}
}
}
for(int i=0;i<n;i++){
for(int j=0;j<n;j++){
if(x[i][j]!=0){
}
}
}
}
}
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