import java.util.Scanner;
 
class Main {
  static Scanner sc = new Scanner(System.in);
    public static void main(String[] args) {
		
       int nam = 0; int min = 10;int sam = 0;
      
      for(int i=0;i<5;i++){
        nam = sc.nextInt();
         if(nam%10==0){sam +=nam;}
        else{
        	min = Math.min(min,nam%10);//一番時間をとる
            sam += nam+(10-nam%10);
        }
      }
      System.out.print(sam-(10-min));
      
    }
}
/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