import java.util.Scanner;

class Main{
	public static void main(String args[]){
		Scanner sc = new Scanner(System.in);
		
		int min = 10;
		int answer = 0;
		for(int i = 0; i < 5; i++){
			int a = sc.nextInt();
			if(a%10 == 0){
				answer += a;
			}else if(a%10 < min){
				min = a%10;
				answer += a/10*10+10;
			}else{
				answer += a/10*10+10;
			}
		}
		answer -= 10 - min;
		System.out.println(answer);
	}
}
/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