package szz;
import java.util.Scanner;
public class SSS {
public static void main(String[] args) { // TODO 自动生成的方法存根 System.out.println(16); Scanner scan = new Scanner(System.in); double sum = 0; int m = 0; while (scan.hasNextDouble()) { double x = scan.nextDouble(); m = m + 1; sum = sum + x;
}
System.out.println(m +6 + sum);
System.out.println(m +2 + (sum / m));
scan.close();
}
}
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