public class Test { public static void main(String[] args) { Scanner in=new Scanner(System.in); int a; do { System.out.print("请输入一个二位数:"); a=in.nextInt();
}while(a>=100 || a<10); int b=a*a; int c=b%100; String s=(a==c?"yes":"no"); System.out.println(a+"\t"+s+"\t"+a+"*"+a+"="+b);