You can do it with join

numbers = [int(i) for i in input().split()] #Takes Input

new_list = [num for num in numbers if num >= 0] #Removes Negatives

inputs = sorted(new_list) #Sorts Input

print(" ".join(str(num) for num in inputs))

input:
10 4 39 12 2

output:
2 4 10 12 39