# Greeting of the Program
print('Welcome to the "Picures on the Go" Program')
print()

print('This Program will determine how many images can be stored on the USB Drive, given the space offered')
print()


program = False

while program == False:

# USB Space Offered
    userUSB =int(input('Enter the amount of space on your USB Drive in Gigabytes (GB) : '))
    print()

    # Camera Resolution
    print('Please Enter the MegaPixels of your camera (8, 12, 16): ')
    # mP = input('Please Enter the camera resolution offered, in Mega Pixels: ')
    mP=input()
    if mP =='8':
        res= 3264*2448
    elif mP =='12':
        res= 4290*2800
    elif mP =='16':
        res = 4920*3264
        print()


    # Calculations

    gIFBytes = (res * 1) / 5
    pNGBytes = (res * 3) / 10
    jPEGBytes = (res * 3) / 8
    tIFFBytes = (res * 6)

    storageUSB = userUSB * 1000000000

    gIFPictures = storageUSB //gIFBytes
    pNGPictures = storageUSB //pNGBytes
    jPEGPictures = storageUSB //jPEGBytes
    tIFFPictures = storageUSB //tIFFBytes

    # Display the Results of the Calculations

    print('The amount of pictures that your USB Drive can hold is: ')
    print('For GIF Pictures', format( gIFPictures,'.2f'))
    print('For PNG Pictures', format( pNGPictures,'.2f'))
    print('For JPEG Pictures', format( jPEGPictures,'.2f'))
    print('For TIFF Pictures', format( tIFFPictures,'.2f'))

# This section will prompt the user if they want to run the program again

    print()
    response = input("Would you like to run this program again? (y/n: )")
    response = response.lower()
    print()

    while response != 'y' and response != 'n':
        input("Please Enter 'y' or 'n': ")
        response = response.lower()
    if response == 'n':
            program = True
    elif response != 'y':
            program = False
    print()