#include <iostream>
#include <string>

using namespace std;

int main(int argc, string *argv[]){
  int dish[5];
  for(int i = 0; i < 5; i++){
    cin >> dish[i];
  }
  int idx;
  int trade = 9;
  for(int i = 0; i < 5; i++){
    if(dish[i] % 10 != 0 && trade > dish[i]%10){
      idx = i;
      trade = dish[i] % 10;
    }
  }
  int temp = dish[idx];
  dish[idx] = dish[4];
  dish[4] = temp;
  
  for(int i = 0; i < 4; i++){
    while(dish[i] % 10 != 0){
      dish[i] += 1;
    }
  }

  int sum = 0;
  for(int i = 0; i < 5; i++){
    sum += dish[i];
  }
  cout << sum << endl;
  return 0;
}