class Swapping
{
    public static void main(String[] args) 
    {
        int a = 15, b = 69, c;
        System.out.println("Before Interchange: a=" + a + " b=" + b);
        c = a;
        a = b;
        b = c;
        System.out.println("After Interchange: a=" + a + " b=" + b);
    }
}