import java.util.*; import java.io.*; import java.awt.geom.*; import java.math.*; public class No0276 { static final Scanner in = new Scanner(System.in); static final PrintWriter out = new PrintWriter(System.out,false); static void solve() { int n = in.nextInt(); out.println(n%2 == 0 ? "1" : n); } public static void main(String[] args) { long start = System.currentTimeMillis(); solve(); out.flush(); long end = System.currentTimeMillis(); //trace(end-start + "ms"); in.close(); out.close(); } static void trace(Object... o) { System.out.println(Arrays.deepToString(o));} }