#include <bits/stdc++.h>
using namespace std;

int main()
{
 int N = 5;
 int A, B, C, D, E;
 cin >> A >> B >> C >> D >> E;
 vector<int> currentTime = {A, B, C, D, E};
 vector<int> nextTime(N);
 for(int i = 0; i < N; i++){
     if(currentTime[i] % 10 == 0){
         nextTime[i] = Time[i];
     }
     else{
         nextTime[i] = currentTime[i] - currentTime[i] % 10 + 10;
     }
     int BestTime = 999999;
     for(int i = 0; i < N; i++){
         int sumTime = 0;
     }for(int j = 0; j < N; j++){
         if(i == j){
             sumTime += currentTime[i];
         }else{
             sumTime += nextTime[j];
         }
     }
     BestTime = min(BestTime, sumTime);
 }
 cout << BestTime << endl;
}