import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		int[] input = new int[5];
		for(int i = 0; i < input.length ; i++) {
			input[i] = sc.nextInt();
		}


		int[] input2 = new int[5];
		for(int i = 0; i < input.length ; i++) {
			input2[i] = input[i] % 10;
		}

		int minNo = -1;
		int min = 10;
		for(int i = 0; i < input.length ; i++) {
			if(input2[i] < min && input2[i] != 0) {
				min = input2[i];
				minNo = i;
			}
		}

		int answer = 0;
		for(int i = 0; i < input.length ; i++) {
			if(i != minNo && input2[i] != 0) {
				input[i] = ((int)(input[i]/10) + 1)*10;
			}
			answer += input[i];
		}

		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