Python :

# coding=utf-8
try:
    while True:
        line = input()
        if line == "0":
            break
        parts = line.split()
        n = int(parts[0])
        numbers = list(map(int, parts[1:]))
        sorted_numbers = sorted(numbers, key=lambda x: abs(x), reverse=True)
        for num in sorted_numbers:
            print(num, end=" ")
        print()
except EOFError:
    print()