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