#include <iostream>
#include <cstdlib>

using namespace std;

void inc( int* x )
{
   int t= x[0];
   x[0]= x[1];
   x[1]=t;
}

int main(int nargs, char* args[])
{
   int a[2];
   a[0]= 8;
   a[1]= 2;
   inc(a);
   cout << a[0] << " " << a[1] << endl;

   return EXIT_SUCCESS;
}