class ScambioVariabili {
    public static void main (String [] args) {
	int x=3;
	int y=8;
	System.out.println (x+", "+y);
	if ( x > y ) {
             int temp = x;  
             x = y;         
             y = temp;     
	}
	System.out.println (x+", "+y);
    }
}