import java.util.Scanner;
public class Main {
public static void main
(String[] args
) { Scanner sc
= new Scanner
(System.
in); int N = sc.nextInt();
for (int i =N; i>0; i--)
{
for (int j = 0; j < i; j++) {
}
}
sc.close();
}
}
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