#include < iostream.h >

using namespace std;

void swap(int &x, int &y) {
    int temp = x;
    x = y;
    y = temp;
}

int main() {
    int a = 5, b = 10;
    swap(a, b); 
    swap(a, b); 
    cout << a << " " << b; 
    return 0;
}

What will be the output of above code?