import java.io.*;
import java.math.BigDecimal;
import java.math.RoundingMode;

public class Main {
  public static void main(String[] args) throws IOException {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    int[] menu = new int[5];
    for (int i = 0; i < 5; i++){
      menu[i] = Integer.parseInt(br.readLine());
    }
    int temp = 10;
    for (int i = 0; i < 4; i++){
      if (0 < menu[i]%10 && menu[i]%10 < temp){
        temp = menu[i]%10;
      }
    }
    int result = 0;
    for (int i = 0; i < 5; i++){
      result += new BigDecimal(menu[i]).setScale(-1, RoundingMode.UP).intValue();
    }
    System.out.println(result -(10-temp));
  }
}

/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz