#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i = 0;i<((int)(n));i++)
#define reg(i,a,b) for(int i = ((int)(a));i<=((int)(b));i++)
#define irep(i,n) for(int i = ((int)(n)-1);i>=0;i--)
#define ireg(i,a,b) for(int i = ((int)(b));i>=((int)(a));i--)
typedef long long ll;

/*
*/

ll n;

void init(){
	cin>>n;
}

int main(void){
	init();
	if(n%3==0){
		rep(i,2)cout<<"3"<<" ";
		rep(i,n-2)cout<<"1"<<(i!=n-3?" ":"");
	}else if(n%3==1){
		rep(i,3)cout<<"3"<<" ";
		rep(i,n-3)cout<<"1"<<(i!=n-4?" ":"");
	}else if(n%3==2){
		rep(i,1)cout<<"3"<<" ";
		rep(i,n-1)cout<<"1"<<(i!=n-2?" ":"");
	}
	cout<<endl;
	return 0;
}