#include"stdio.h"main(){int a,ge,shi,bai,qian,wan; printf("input the number:\t"); scanf("%d",&a); if(a>=10000) printf("it's a 5 wei number\n"); else if(a>=1000) printf("it's a 4 wei number\n"); else if(a>=100) printf("it's a 3 wei number\n"); else if (a>=10) printf("it's a 2 wei number\n"); else printf("ok,it's just a 1 wei number\n"); wan=a/10000; qian=(a%10000)/1000; bai=(a%1000)/100; shi=(a%100)/10; ge=(a%10); if(wan==ge&&qian==shi) printf("it's a hui wen\n"); else printf("it's not a hui wen\n"); while(1); }