B = [int(input()) for _ in range(5)]
A = [str(B[i])[-1] for i in range(5)]
temp = A
last = A.index(min(temp.remove("0")))
diff = [10-int(A[o]) for o in range(5) if (A[o] != "0") and o != last]
print(sum(B)+sum(diff))
