#include <bits/stdc++.h>
using namespace std;
int main() {
  int dish[5];
  for (int i = 0; i < 5; i++) {
    cin >> dish[i];
  }
  for (int j = 0; j < 4; j++) {
    for (int k = j + 1; k < 5; k++) {
      if (dish[j] % 10 < dish[k] % 10 || dish[k] % 10 == 0) {
        int tmp = dish[j];
        dish[j] = dish[k];
        dish[k] = tmp;
      }
    }
  }
  int sum = 0;
  for (int a = 0; a < 4; a++) {
    if (dish[a] % 10 == 0) {
      sum += dish[a];
    } else {
      sum += dish[a] - dish[a] % 10 + 10;
    }
  }
  sum += dish[4];
  cout << sum << '\n';
  return 0;
}
