# Ask the user to select a color
color = input("Select a color (red, green, or blue): ").strip().lower()

# Check the user's input and display the appropriate message
if color in ["red", "r"]:
    print("You selected red.")
elif color in ["green", "g"]:
    print("You selected green.")
elif color in ["blue", "b"]:
    print("You selected blue.")
else:
    print("Incorrect choice.")