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#include <cstdio>
using namespace std;
int st[10],N;
void print (int p)
{
int j;
for (j=1; j<=p; j++)
{
printf ("%d ",st[j]);
}
printf ("\n");
}
int valid (int p)
{
int j,s=1;
for (j=1; j<=p-1; j++)
{
if (st[p]==st[j])
{
s=0;
}
}
return s;
}
void bkt (int p)
{
int j;
for (j=1; j<=N; j++)
{
st[p]=j;
if (valid(p)==1)
{
if (p==N)
{
print (p);
}
else
{
bkt (p+1);
}
}
}
}
int main()
{
freopen ("permutari.in","r",stdin);
freopen ("permutari.out","w",stdout);
scanf ("%d",&N);
bkt(1);
return 0;
}