#include<cstdio>
using namespace std;
FILE *f=fopen("permutari.in","r");
FILE *g=fopen("permutari.out","w");
int n,st[9];
int valid(int k)
{int i,ev=1;
for (i=1;i<k && ev;++i)
    if (st[k]==st[i]) ev=0;
return ev;
}
void tipar(int k)
{int i;
for (i=1;i<=k;++i)
    fprintf(g,"%d ",st[i]);
fprintf(g,"\n");
}
void back(int k)
{int i;
for (i=1;i<=n;++i)
    {st[k]=i;
    if (valid(k))
        {if (k==n) tipar(k);
        else back(k+1);
        }
    }
}
int main()
{fscanf(f,"%d",&n);
back(1);
return 0;
}