#include<stdio.h>
void swap(int a,int b)
{
   int c;
   c=a;
   a=b;
   b=c;
   printf("After swaping:%d %d\n",a,b);
}
int main()
{
    int a,b
    scanf("%d%d",&a,&b);
    swap(a,b);
    printf("After swaping:%d %d\n",a,b);
   
    
}