import java.util.Scanner;
public class homework1 { //记得修改文件名和类名public static void main(String[] args) {// TODO Auto-generated method stubScanner sc=new Scanner(System.in);int x,n,sum=0,y=0,i=1;System.out.println("请输入一个0-9的数及组数:");x=sc.nextInt();n=sc.nextInt();for(i=1;i<=n;i++){y=y*10+x;System.out.print(y+" ");sum=sum+y;}System.out.println();System.out.println("和为"+sum);}}
//a+aa+aaa+aaaa......