import numpy as np
T = np.array([int(input()) for i in range(5)])

T_0 = T[np.mod(T, 10) == 0]
T_o = T[np.mod(T, 10) != 0]
T_c = T_o + 10 - np.mod(T_o, 10)
T_s = np.sort(np.mod(T_o, 10))

if T_0 != np.array([0,0,0,0,0]):
    A = np.sum(T_c) - 10 + np.sum(T_0) + T_s[0]
    print(A)
else:
    A = np.sum(T_0)
    print(A)