# [Python 2](https://docs.python.org/2/), 42 bytes a=input();print('',max(a))[len(set(a))!=1] [Try it online!](https://tio.run/##K6gsycjPM/r/P9E2M6@gtERD07qgKDOvRENdXSc3sUIjUVMzOic1T6M4tQTEVrQ1jP3/HwA) <sub>This is my first code golf. It could probably be improved ;P</sub>