#include <stdio.h>
#include <stdlib.h>
#include <math.h>

int main()
{
    float salaryPerWeek, totalHours, salPerHour, hoursOver, salPerHourOver, endSal;

    while(1)
    {
        printf("Enter a salary per week:\n");
        scanf("%f", &salaryPerWeek);

        printf("Enter total number of hours worked:\n");
        scanf("%f", &totalHours);

        if(totalHours > 168)
        {
            printf("There are only 168 hours in a week...");
        } else if(totalHours < 40)
            {
                printf("You need to work at least 40 hours...");
            }

        salPerHour = salaryPerWeek / 40;
        hoursOver = totalHours - 40;
        //salPerHourOver = hoursOver * (salPerHour * 2);

        endSal = salaryPerWeek + (hoursOver * salPerHour * 2);

        printf("Here is the person's salary after 1 week: %f", &endSal);
        printf("\n\n");
    }

    return 0;
}