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 max = -1;
		for(int i = 0; i < input.length - 1 ; i++) {
			if(input2[i] > input2[i+1]) {
				max = i;
			} else {
				max = i + 1;
			}
		}

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

		System.out.println(answer);
	}

}
