#include<bits/stdc++.h>
using namespace std;
int main(){
int i=1,n;
cin>>n;
while(n>=i){
cout<<i<<endl;
i++;
}
return 0;
}
/**************************************************************
Problem: 1696
User: cyp
Language: C++
Result: Accepted
Time:7 ms
Memory:2072 kb
****************************************************************/