#include <cstdio>
#include <vector>
#include <algorithm>
using namespace std;

int main()
{
    freopen("permutari.in", "r", stdin);
    freopen("permutari.out", "w", stdout);
    int n;
    vector<int> v;
    scanf("%d",&n);
    for (int i = 1; i <= n; ++i)
        v.push_back(i);
    do {
        for (int i = 0; i < n; ++i)
            printf("%d ",v[i]);
        printf("\n");
    } while (next_permutation(v.begin(), v.end()));
}