import re

S = input()

print(
    max(
        [
            eval(s)
            for s in [
                re.sub(r"0*([1-9]\d*|0)", r"\1", t) for t in [S[i:] + S[:i] for i in range(len(S))]
            ]
            if not re.match(r"^[^+-].*[^+-]$", s) is None
        ]
    )
)