#include <iostream.h>
#include <fstream.h>

#define in "sortaret.in"
#define out "sortaret.out"

ifstream fin(in);
ofstream fout(out);

long min,max;

int main()
{
 fin>>max;
 
 for(long i=1;i<=max;i++)
  fout<<i<<" ";
 fout<<endl;
 
 fin.close();
 fout.close();
return 0;
}