T=[]
for i in range(5):
    T.append(int(input()))
A=list(map(lambda x:x%10,T))
S=list(map(lambda y:y//10,T))
count=0
B=[]
for j in range(5):
    if A[j]!=0:
        count+=1
        B.append(A[j])
print(10*(sum(S)+count-1)+min(B))
