#include <stdio.h>

int n=0;

bool used[9];
int v[9];

void bt(int x)
{
    if (x==n+1)
    {
        for (int i=1; i<n+1; ++i)
            printf("%d ",v[i]);
        printf("\n");
    }
    else
    {
        for (int i=1; i<=n; ++i)
            if (!used[i])
            {
                v[x]=i;
                used[i]=1;
                bt(x+1);
                used[i]=0;
            }
    }
}

int main()
{
    freopen("permutari.in", "r", stdin);
    freopen("permutari.out", "w", stdout);
    scanf("%d",&n);
    bt(1);
    return 0;
}