import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		int ans=0;
		int difMax=0;
		for(int i=0;i<5;i++) {
			int a=sc.nextInt();
			int b=(a+9)/10*10;
			ans+=b;
			int dif=b-a;
			if(difMax<dif) {
				difMax=dif;
			}
		}

		System.out.println(ans-difMax);
	}
}
/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