def calc(A,B):
    ans = str(A * B)
    minus = ans[0] == "-"
    if minus:
        ans = ans[1:]
    if 1 <= abs(A) <= 9 and 1 <= abs(B) <= 9 or A > 10 and B > 10 and not A % 10 and not B % 10:
        if ans[-1] == "0":
            ans = ans[:-1]
    else:
        if len(ans) > 8:
            ans = "E"
    if ans != "E" and minus:
        ans = "-" + ans
    return ans

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