#include<bits/stdc++.h>
using namespace std;
const int inf = 1012345678;

int main(){
  vector<int> A(5);
  cin >> A[0] >> A[1] >> A[2] >> A[3] >> A[4];
  vector<int> P = {0,1,2,3,4};
  int final_answer = inf;
  do{
    int ans =0;
    for(int i=0;i<5;++i){
      while(ans %10 !=0)ans +=1;
      ans +=A[P[i]];
    }
    final_answer = min(final_answer,ans);
  }
  while(next_permutation(P.begin(),P.end())){
        cout << final_answer << endl;
        return 0;
        }
