# include <iostream.h>
# include <conio.h>
void swap(int &,int &);

void main() {

int x,y;

cout<<"Enter the number";

cin>>x>>y;

swap(a,b); }


void swap(int &x,int &y) {

int temp;

temp=x;
x=y;
y=temp;

cout<<x<<y;

getch();

}