#include <iostream>
#include<cmath>
using namespace std;

int main()
{
    int firstNum, secondNum;

    cout << "Enter a number: ";
    cin >> firstNum;

    cout << "Enter another number: ";
    cin >> secondNum;

    //Input logic
    while (secondNum < firstNum)
    {
        cout << "\nInvalid input. The second number must be greater than the first.\n" ;
        cout << "Enter another number: ";
        cin >> secondNum;
    }

    //a) Output all odd integers between firstNum and secondNum inclusive.
    int a = firstNum;

    cout << "\nOdd numbers: ";
    while (a <= secondNum)
    {
        if (a%2 != 0)
            cout << a << " ";
        a++;
    }
    cout << "\n\n";

    //b) Output sum of all even numbers between firstNum and secondNum inclusive.

    int b = firstNum, evenSum = 0;

    while (b <= secondNum)
    {
        if (b%2 == 0)
            evenSum = evenSum + b;
        b++;
    }

    cout << "The sum of all even numbers between " << firstNum << " and " << secondNum << " is " << evenSum << "\n\n";

    //c) Output the integers and its square of 10 integers starting from firstNum indlucing firstNum.
    int counter = 1, c = firstNum;
    double s;

    cout << "\nNumber\tSquared\n";

    while (counter <= 10)
    {
        cout << c << "\t";
        s = pow(c, 2.0);
        cout << s << "\n";
        counter++;
        c++;
    }

    //d) Output sum of squares of odd integers between firstNum and secondNum inclusive.

    int d = firstNum, squaredSum = 0;

    while (d <= secondNum)
    {
        if (d%2 != 0)
        {
            squaredSum = squaredSum + pow(d, 2.0);
        }
        d++;
    }
    cout << "\nThe sum of all squared odd numbers between " << firstNum << " and " << secondNum << " is " << squaredSum << "\n";

    return 0;
}