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#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
int n;
int vec[10];
int viz[10];
void afiseaza()
{
for (int i=0; i<n; i++)
printf("%d ", vec[i]);
printf("\n");
}
void bt(int k = 0)
{
if (k == n)
{
afiseaza();
return;
}
for (int i=1; i<=n; i++)
{
if (viz[i] == 0)
{
viz[i] = 1;
vec[k] = i;
bt(k+1);
viz[i] = 0;
}
}
}
int main()
{
freopen("permutari.in", "r", stdin);
freopen("permutari.out", "w", stdout);
scanf("%d", &n);
bt();
return 0;
}