#include<stdio.h>

FILE *in=fopen("permutari.in","r");
FILE *out=fopen("permutari.out","w");

int a[8],n;

int verif(int k)
{
    for(int i=1;i<k;i++)
      if(a[i]==a[k])
        return 0;
    return 1;
}

void afisare()
{
     for(int i=1;i<=n;i++)
       fprintf(out,"%d ",a[i]);
     fprintf(out,"\n");
}

void back(int k)
{
     int i;
     if(k>n)
        afisare();
     else
       for(i=1;i<=n;i++)
       {   
           a[k]=i;
           if(verif(k))
             back(k+1);
       }
}

int main()
{
    fscanf(in,"%d",&n);
    back(1);
    fclose(out);
    return 0;
}