#include <iostream>
#include <cstdio>
using namespace std;
FILE *f,*g;
int S[11];

void scriesol(int n)
{
    int i;
    for(i=1;i<=n;i++)
    {
        fprintf(g,"%d ",S[i]);
    }
    fprintf(g,"\n");
}

void back(int k, int n)
{
    int i,j,ok;
    if(k==n) scriesol(n);
    else
    {
        for(i=1;i<=n;i++)
        {
            ok=1;
            for(j=1;j<=k;j++)
            {
                if(S[j]==i)
                {
                    ok=0;
                    break;
                }
            }
            if(ok)
            {
                S[k+1]=i;
                back(k+1,n);
            }
        }
    }
}

int main()
{
f=fopen("permutari.in","r");
g=fopen("permutari.out","w");
unsigned int N;
fscanf(f,"%d",&N);
back(0,N);
return 0;
}