#include <bits/stdc++.h>
using namespace std;
int main() {
  int A, B, C, D, E;
  cin >> A >> B >> C >> D >> E;
  int a = A % 10;
  int b = B % 10;
  int c = C % 10;
  int d = D % 10;
  int e = E % 10;
  int xa = min(a, b);
  int xb = min(xa, c);
  int xc = min(xb, d);
  int xd = min(xc, e);
  int B1 = B / 10;
  int BB = B1 * 10 + 10;
  int C1 = C / 10;
  int CC = C1 * 10 + 10;
  int D1 = D / 10;
  int DD = D1 * 10 + 10;
  int E1 = E / 10;
  int EE = E1 * 10 + 10;
  int A1 = A / 10;
  int AA = A1 * 10 + 10;
  int ans = AA + BB + CC + DD + EE + xd - 10;
  cout << ans << endl;
}
