#include <bits/stdc++.h>

using namespace std;
int n;
vector<int>per;
bitset<10>ap;
void bkk(int pos)
{
    if(pos==n)
    {
        for(int i=0;i<n;i++)
            printf("%d ",per[i]);
        printf("\n");
        return;
    }
    for(int i=1;i<=n;i++)
    {
        if(ap[i])
            continue;
        ap[i]=1;
        per.push_back(i);
        bkk(pos+1);
        per.erase(per.begin()+pos);
        ap[i]=0;
    }
}
int main()
{
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    scanf("%d",&n);
    bkk(0);
    return 0;
}