#include <bits/stdc++.h>
using namespace std;
int main(){
    int n,i=1;
	float h=0
	cin>>n;
	while(i<=n){
		h=h+1.0/i;
		printf("%.3f")
		i++;
	cout<<i;	
	} 
}

/**************************************************************
	Problem: 1014
	User: chenmingyu
	Language: C++
	Result: Compile Error
****************************************************************/