a, b = input().split()
mi = 1
if a[0] == "-":
    mi *= -1
    a = a[1:]
if b[0] == "-":
    mi *= -1
    b = b[1:]
if len(a) >= 3 and len(b) >= 3 and int(a[1:]) == 0 and int(b[1:]) == 0:
    print(mi * int(a) * int(b) // 10)
else:
    ans = int(a) * int(b) * mi
    if abs(ans) >= 10 ** 8:
        print("E")
    else:
        print(ans)