# "12 3" vira [1, 2, 3]
print(sorted([int(x) for x in input() if x.isdigit()]))
# com split, o resultado é [3, 12]
print(sorted([int(x) for x in input().split(' ') if x.isdigit()]))
IyAiMTIgMyIgdmlyYSBbMSwgMiwgM10KcHJpbnQoc29ydGVkKFtpbnQoeCkgZm9yIHggaW4gaW5wdXQoKSBpZiB4LmlzZGlnaXQoKV0pKQoKIyBjb20gc3BsaXQsIG8gcmVzdWx0YWRvIMOpIFszLCAxMl0KcHJpbnQoc29ydGVkKFtpbnQoeCkgZm9yIHggaW4gaW5wdXQoKS5zcGxpdCgnICcpIGlmIHguaXNkaWdpdCgpXSkp