#include <stdio.h>
void main () 
{
   int num,s=0;
   printf("5262:\n") ;
   scanf("%d",&num);
   while(num>0)
   {
       printf("%d",num%10);
       num=num/10;
       s++;
   } 
    printf("是个%d位数,n",s);
    return 0;
}