inp = []
for i in range(5):
    inp.append(int(input()))
inp2 = sorted(inp, key=lambda x: x%10)
inp3 = [d for d in inp2 if d%10 != 0]
if inp3 != []:

    last = inp3[0]
    inp2.remove(last)
else:
    last = 0
    inp2.pop(0)

r = 0
for c,z in enumerate(inp2):
    if z%10 == 0:
        r += z
    else:
        r += z//10 * 10 + 10
res = r + last
print(res)