2475번_파이썬 검증수

A1

a, b, c, d, e = map(int, input().split())
print((a*a+b*b+c*c+d*d+e*e) % 10)

 

A2

num = map(int,input().split())
sum = 0
for i in num :
    sum += i*i

print(sum%10)