```go
package main

import "fmt"

func main() {
	var n int
	fmt.Scan(&n)

	visited := make([]bool, n)
	pos := 0
	visited[0] = true
	count := 1
	limit := 2 * n

	for k := 1; k <= limit; k++ {
		if count == n {
			break
		}
		pos = (pos + k) % n
		if !visited[pos] {
			visited[pos] = true
			count++
		}
	}

	if count == n {
		fmt.Println("YES")
	} else {
		fmt.Println("NO")
	}
}
```