#include<bits/stdc++.h>
using namespace std;
int main(){
//	int n,a,maxn=1;
//	cin>>n; 
//	for(int i=1;;;)
//秀禿秀禿秀禿秀禿秀禿﹛﹛秀禿﹛﹛
//岫系禿岫岫岫岫岫岫岫﹛﹛岫岫﹛﹛
//岫﹛岫岫岫岫岫岫岫岫﹛﹛岫岫﹛﹛
//岫岫﹛岫岫岫岫岫岫岫﹛﹛岫岫﹛﹛
//岫系禿岫岫系究岫岫系岸禿岫系岸禿
//系究系究系岸岸究系岸岸究系岸岸究
//﹛﹛﹛﹛﹛﹛
	int n,x,y,cnt=0;
	cin>>n;
	for(int x=1;x<n;x++){
		y=n/2-x;
		if(x<=y){
			cout<<x<<' '<<
		}
	}
	return 0;
}