A,B = input().split()
v = (int(A)*int(B)) >= 0
A = str(abs(int(A)))
B = str(abs(int(B)))
if A.count('0') == len(A)-1 and len(A) >= 3 and B.count('0') == len(B)-1 and len(B) >= 3:
    print(str(int(A)*int(B))[:-1] if v else '-'+str(int(A)*int(B))[:-1])
else:
    ans = int(A)*int(B)
    if len(str(ans)) >= 9:
        print('E')
    else:
        print(str(int(A)*int(B)) if v else '-'+str(int(A)*int(B)))