/*
    Ch5Ex9.java
    CIS 160
    David Klick
    2004-10-22

    Conversion of Chapter 5, exercise 8 to for loops
        (answer to Chapter 5, exercise 9)
*/

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;

public class Ch5Ex9 {
    public static void main(String[] args) throws IOException {
        int n1, n2, i, sum, start;
        BufferedReader kbd = new BufferedReader(
            new InputStreamReader(System.in));

        // get two integers from user
        System.out.print("Enter an integer: ");
        n1 = Integer.parseInt(kbd.readLine());
        System.out.print("Enter another (larger) integer: ");
        n2 = Integer.parseInt(kbd.readLine());

        // guarantee second integer is larger (or equal)
        if (n1 > n2) {
            int tmp = n1;
            n1 = n2;
            n2 = tmp;
        }

        // display all odd numbers between n1 and n2
        start = n1;
        if (start % 2 == 0) start++;
        for (i=start; i <= n2; i+=2) {
            System.out.print(i + " ");
        }
        System.out.println();

        // sum of all even numbers between n1 and n2
        start = n1;
        if (start % 2 != 0) start++;
        sum = 0;
        for (i=start; i <= n2; i+=2) {
            sum += i;
        }
        System.out.println("The sum of the evens is: " + sum);

        // print out 1 to 10 with squares
        for (i = 1; i <= 10; i++) {
            System.out.println(i + "\t" + (i*i));
        }

        // sum squares of odd numbers between n1 and n2
        start = n1;
        if (start % 2 == 0) start++;
        sum = 0;
        for (i=start; i <= n2; i+=2) {
            sum += (i * i);
        }
        System.out.println("The sum of the squares of the odds is "
            + sum);
        
        // display all the uppercase letters
        for (char c='A'; c<='Z'; c++) {
            System.out.print(c);
        }
    }
}