#include<fstream.h>
main()
{
	int n, i, l;

	ifstream in("lacate.IN");
	ofstream o("lacate.OUT");
	in>>n;
	l=n-1;
	o<<l<<" 1";
	for(i=1;l>1;l--,i++)
		o<<i<<endl;
	o<<"1"<<endl;


	in.close();
	o.close();
	return 0;

}