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

a=str(A)
b=str(B)

cnta=0
for i in range(1,len(a)):
        if a[i]=="0":
            cnta+=1

cntb=0
for j in range(1,len(b)):
    if b[j]=="0":
        cntb+=1

flag=0

if 100<A<100 or -100<B<100:
    flag="d"
elif cnta==len(a)-1 and cntb==len(b)-1 and A>=100 and B>=100:
    flag="y"
elif cnta==len(a)-2 and cntb==len(b)-1 and A<=(-100) and B>=100:
    flag="y"
elif cnta==len(a)-1 and cntb==len(b)-2 and A>=(100) and B<=(-100):
    flag="y"
elif cnta==len(a)-2 and cntb==len(b)-2 and A<=(-100) and B<=(-100):
    flag="y"
else:
    flag="d"
    
if flag=="d":
    if abs(A*B)>=100000000:
        print("E")
    else:
        print(A*B)
elif flag=="y":
    print(int(A*B/10))
#print(cnta)