#include<bits/stdc++.h>
using namespace std;
int main(){
int n=0,m=1;
cin>>n;
while(m<=n){
cout<<m<<endl;
m++;
}
return 0;}
/**************************************************************
Problem: 1696
User: zhangchenhao
Language: C++
Result: Accepted
Time:8 ms
Memory:2072 kb
****************************************************************/