def make_a_list(i):
    iab = abs(i)
    L = list(str(iab))
    return L

def div10(L):
    des = '0'    
    if len(L) >= 3:
        for i in range(-1,-len(L)):
            if -i != len(L)-1 and L[i] == 0:
                continue
            elif L[i] != 0:
                des = "calcurator"
                break
            elif -i == len(L)-1 and L[i] == 0:
                des = "in_her_head"
    else:
        des = "calcurator"
    return des
              
A, B = map(int,input().split())
la = make_a_list(A)
lb = make_a_list(B)

if div10(la) == "in_her_head" and div10(lb) == "in_her_head":
    ans = A*B / 10
else:
    if abs(A*B) > 99999999:
        ans = 'E'
    elif abs(A*B) <= 99999999:
        ans = A*B
print(div10(la))
print(ans)