class Program { public static void main(String[] args) {
Scanner Scan = new Scanner(System.in); System.out.print("A = "); int A = Scan.nextInt(); System.out.print("B = "); int B = Scan.nextInt(); double S = 0; for(int i = A; i <= B; i++) { S+=i*i; } System.out.print("S = "+S); } }