#include <stdio.h>
void swap(int a,int b){
int temp;
temp = a;
a=b;
b=temp;
printf("After swapping\n");
   printf("a=%d\n",a);
    printf("b=%d\n",b);
}
int main() {
    int a,b;
    scanf("%d%d",&a,&b);
    swap(a,b);
    printf("Before swapping\n a=%d\n,a);
    printf("b=%d\n",b);
    return 0;
}