#include#includeint main(void) {int a; int qian,bai,shi,ge;printf("Please input a four digit number:\n");scanf("%d",&a); /* 将键盘输入的数赋值给变量a */while(a/10009){
/* 如果输入的数不是四位数,则重新输入 */
printf("Error input ,not a four digit number!\n");
printf("Please input a four ...