#include<iostream>
using namespace std;
void swap( int *a, int *b){
int temp;
 temp = *a;
 *a = *b;
 *b = temp;
}
int main(){
int a = 1, b = 2, c = 3;
 swap(&a, &b);
 swap(&b, &c);
 cout << a << " " << b << " " << c << endl;
return 0;
}