package main

import "fmt"

func main() {
	var a, b int
	fmt.Println("\nEnter two numbers:")
	fmt.Scanf("%d%d", &a, &b)
	fmt.Printf("Before swap, value of a = %d b=%d \n", a, b)

	swap(&a, &b)

	fmt.Printf("After swap, value of a = %d b=%d \n", a, b)
}
func swap(x *int, y *int) {
	var temp int
	temp = *x
	*x = *y
	*y = temp

}