import java.util.*;
public class PracticeFloydTriangle{
public static void main(String args[]){
Scanner sc = new Scanner(System.in);
System.out.println("Enter no of lines");
int n = sc.nextInt();
int x=1;
System.out.println("The Floyd Triangle is ");
for(int i=1;i<=n;i++){
for(int j=1;j<=i;j++){
System.out.print(x++ +" ");
}
System.out.println();
}
}
}