#include <bits/stdc++.h>
using namespace std;
#define accelerate ios::sync_with_stdio(false),cin.tie(0),cout.tie(0)
#define endl "\n";
#define mod 12345
#define ll long long
#define PII pair<int,int>
#define INF 0x3f3f3f3f
const int N=1e5+10;
ll n,m,k,x,y,T;
ll a[N];
ll pre[N];
bool f(int x){
	if(x==0||x==1) return 0;
	for(int i=2;i*i<=x;i++){
		if(x%i==0) return 0;
	}
	return 1;
}
int main(){
	accelerate;
	cin>>n;
	while(n>1){
		for(int i=2;i<=n;i++){
			if(f(i)&&n%i==0){
				n/=i;
				cout<<i<<endl;
				break;
			}
		}
	}
	return 0;
}