#include <stdio.h>
#include <string.h>
 
#define NMAX 10
 
 
 
void back(int k, int n, int *order, int *vis)
{
if (k == n+1)
{
for (int i = 1; i <= n; i++)
printf("%d ", order[i]);
printf("\n");
}
else
{
for (int i = 1; i <= n; i++)
{
if (!vis[i])
{
order[k] = i;
vis[i] = 1;
back(k+1, n, order, vis);
vis[i] = 0;
}
}
}
}
 
int main()
{
freopen("permutari.in", "r", stdin);
freopen("permutari.out", "w", stdout);
int n;
int order[NMAX], vis[NMAX];
memset(vis, 0, sizeof(vis));
scanf("%d", &n);
 
back(1, n, order, vis);
 
return 0;
}