import sys

args = [int(input()) for i in range(6)]
#args = [29,20,7,35,120]
smallest = 10
i = 0
sum = 0
arg_num = 0

for tmp in args[:4]:
    if tmp % 10 < smallest:
        if tmp % 10 != 0:
            smallest = tmp % 10
            arg_num = i
    i+=1

print("smallest:" + str(arg_num))

for i in range(5):
    if i != arg_num:
        if args[i] % 10 != 0:
            args[i] = args[i] + (10 - args[i] % 10)
    print("args[" + str(i) + "]:" + str(args[i]))
    sum += args[i]

print(sum)
