文章标题

1001

#include<stdio.h>#include<stdlib.h>#include<math.h>void f(int x){    if(x/1000!=0)    {        f(x/1000);        printf(",%.3d",abs(x)%1000);    }    else        printf("%-d",x);}int main(){    int a,b,x;    scanf("%d%d",&a,&b);    x=a+b;    f(x);}