#include<iostream>
#include<cstdio>

using namespace std;

int main()
{

    for(int i = 0 ; ; i++)
    {
        int X = 0;
        cin >> X ;

        if(X == 0)  break;
        else
            for(int j = 1; j <= X; j++)
            {
                cout << j << " ";
            }

        cout << endl;
    }


    return 0;
}