Alpha Cipher

number_one=int(input())
number_two=int(input())
number_three=int(input())
number_four=int(input())
number_five=int(input())
#If the result consists of more than 1 digit, take only the last digit of the produced number.
a = number_one //100
b = number_one //10%10
c=number_one%10
first_symbol=a*b*c

if first_symbol>10:
    sr_0=str(first_symbol)
    d_0=int(sr_0[len(sr_0)-1])
else:
    d_0=first_symbol

x = number_two //100
y = number_two //10%10
z=number_two%10
second_symbol=x*y*z

if second_symbol > 10:
    sr = str(second_symbol)
    d = int(sr[len(sr) -1])
else:
    d=second_symbol

e = number_three//100
f= number_three//10%10
g=number_three%10
third_symbol=e*f*g

if third_symbol > 10:
    sr_2=str(third_symbol)
    d_2=int(sr_2[len(sr_2)-1])
else:
    d_2=third_symbol

h = number_four//100
i= number_four//10%10
j=number_four%10
four_symbol=h*i*j

if four_symbol > 10:
    sr_3=str(four_symbol)
    d_3=int(sr_3[len(sr_3)-1])
else:
    d_3=four_symbol

k = number_five//100
l= number_five//10%10
m=number_five%10
five_symbol=k*l*m

if five_symbol > 10:
    sr_4=str(five_symbol)
    d_4=int(sr_4[len(sr_4)-1])
else:
    d_4=five_symbol




print(str(d_0)+str(d)+str(d_2)+str(d_3)+str(d_4))