rightSide

def f(n):
    return sorted(n)
n = list(input())
while(' ' in n):
    n.remove(' ')
while(',' in n):
    n.remove(',')
print(f(n))

def f(n):
    return sorted(n)
print(f([1,2,5,4]))

def f(n):
    return sorted(n)
l = input().split(',')
print(f(l))