import numpy as np
A=[int(input()) for i in range(5)]
B=[]
for i in range(5):
    if int(str(A[i])[-1])!=0 and len(str(A[i]))>2:
        B.append(int(str(A[i])[:-3]+str(A[i]+1)+'0'))
    elif int(str(A[i])[-1])!=0 and len(str(A[i]))==2:
        B.append(int(str(int(str(A[i])[0])+1)+'0'))
    elif int(str(A[i])[-1])!=0 and len(str(A[i]))==1:
        B.append(10)
    else:
        B.append(int(A[i]))
a=np.array(A)
b=np.array(B)
np.array(B)-np.array(A)
tmp=np.sort(b-a)
return sum(tmp)+sum(a)-tmp[-1]