package MathPrograms;
import java.util.Scanner;
public class SeriesSum {
public static int sum(int n) {
return ((n*(n+1))/2);
}
public static int sumSquare(int n) {
return ((n*(n+1)*(2*n+1))/6);
}
public static int sumCubes(int n) {
return ((n*n*(n+1)*(n+1))/4);
}
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.println("Enter two numbers: ");
int a=sc.nextInt();
System.out.println("Sum of Series: "+sum(a));
System.out.println("Sum of Square of the Series: "+sumSquare(a));
System.out.println("Sum of Cubes of the Series: "+sumCubes(a));
sc.close();
}
}