def calc(A,B):
    a = abs(A)
    b = abs(B)
    ans = A * B
    _ans = str(ans)
    minus = _ans[0] == "-"
    if minus:
        _ans = _ans[1:]

    if 1 <= a <= 9 or 1 <= b <= 9 or not A % 10 and not B % 10:
        if _ans[-1] == "0":
            ans = _ans[:-1]
    else:
        if len(_ans) > 8:
            ans = "E"
        else:
            ans = _ans
    if ans != "E" and minus:
        ans = "-" + _ans
    return ans


A,B = map(int,input().split())
print(calc(A,B))