编辑代码

#include <stdio.h>
int main () {
    int hebing(int a,int b);
   int a,b,m,M;
   scanf("%d &d",&a,&b);
   m=hebing(a,b);
   printf("%d",m); 
}  
int hebing(int a,int b)
{
int s;
s=a/10*1000+a%10*10+b/10*1+b%10*100;
return s;
}