import java.util.Scanner;

class Main {
	public static void main(String[] args) {
	
		Scanner stdIn = new Scanner(System.in);
		
		int[] minutes = new int[5];
		int swap;
		int total = 0;
		int mini;
		
		for (int i = 0; i < 5; i++) {
			minutes[i] = stdIn.nextInt();
		}
		
		mini = 9;
		
		for (int i = 0; i < 4; i++) {
			if ((minutes[i] % 10 < mini) && (minutes[i] % 10 != 0)) {
				swap = minutes[i];
				minutes[i] = minutes[4];
				minutes[4] = swap;
				mini = swap % 10;
			}
		}
		
//		System.out.println(minutes[4]);
			
		for (int i = 0; i < 5; i++) {
//			if(minutes[i] % 10 != 0) {
			while (minutes[i] % 10 != 0 && i != 4) {
				minutes[i]++;
			}
//			}
			total += minutes[i];
//			System.out.println(total);
		}
		
		System.out.println(total);
		
	
	}
}
/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