# Implements a list of unique numbers

from cs50 import get_int

# Memory for numbers
numbers = []

# Prompt for numbers (until EOF)
while True:

    # Prompt for number
    number = get_int("number: ")

    # Check for EOF
    if not number:
        break

    # Check whether number is already in list
    if number not in numbers:

        # Add number to list
        numbers.append(number)

# Print numbers
print()
for number in numbers:
    print(number)