#include <iostream>
using namespace std;

double  bignumber(double num1, double num2);  //Declares the function 'bignumber'
double  smallnumber(double num1, double num2);//Declares the function 'smallnumber'
void main()
{
    double num1; //Holds the 1st number
    double num2;//Holds the 2nd number
    double num3;//Holds the 3rd number
    double bignum; //Holds the biggest number out of the 3 numbers
    double smallnum; //Holds the smallest number out of the 3 numbers

    cout << "Please enter three numbers: ";
    cin >> num1 >> num2 >> num3;

    bignum = bignumber(num1, num2); //Call to function 'bignumber'
    bignum = bignumber(bignum, num3); //Call to function 'bignumber'

    cout << "The biggest number amongst the 3 numbers you've entered is: " << bignum << endl;

    smallnum = smallnumber(num1, num2); //Call to function 'smallnumber'
    smallnum = smallnumber(smallnum, num3); //Call to function 'smallnumber'

    cout << "The smallest number amongst the 3 numbers you've entered is: " << smallnum << endl;

}


double bignumber(double num1, double num2) //This function will find the biggest of the two numbers
{

    if ((num1 - num2)>=0) //Checks if num1-num2 is a non-negative number, therefor num1 is bigger or equal to num2
    {
        return(num1);

    }

    if ((num1 - num2)<0) //Checks if num1-num2 is a negative number, therefor num2 is bigger than num1
    {
        return(num2);
    }

}

double  smallnumber(double num1, double num2) //This function will find the smallest of the two numbers
{
    if ((num1 - num2) >= 0) //Checks if num1-num2 is a non-negative number, therefor num2 is smaller or equal to num1
    {
        return(num2);

    }

    if ((num1 - num2)<0) //Checks if num1-num2 is a negative number, therefor num1 is smaller than num2
    {
        return(num1);
    }
}