#include <iostream>
#include <cstdio>
using namespace std;
int f[11],g[11],x,k,i,m,j;
void backtracking(int k)
{
    int i;
    if(k==x)
    {
        for(i=0;i<x;i++)
            printf("%d ",f[i]);
        printf("\n");
    }
    for(i=1;i<=x;i++)
    {
        if(!g[i])
        {
            g[i]=1;
            f[k]=i;
            backtracking(k+1);
            g[i]=0;
        }
    }
}
int main()
{
    freopen("permutari.in","r",stdin);
    freopen("permutari.out","w",stdout);
    scanf("%d",&x);
    backtracking(0);
}