a=int(input())
b=int(input())
c=int(input())
d=int(input())
e=int(input())

min_list = [a,b,c,d,e]
amari_list = [(a%10),(b%10),(c%10),(d%10),(e%10)]
amari_list.sort()

minute = 0
for i in range(ren(amari_list)):
    if (amari_list[i]%10)==0:
        minute += amari_list[i]
    else:
        minute = 10-(amari_list[i]%10)+amari_list[i]

print(minute)


min_value = [i for i, x in enumerate(amari_list) if x == amari_min]
