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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int x[10], p[10];
void afis(int n)
{
for(int i = 1; i<=n; i++)
{
fout<<x[i]<< ' ';
}
fout<<'\n';
}
void backT(int n, int k)
{
for(int i = 1; i<=n; i++)
{
if(!p[i]){
x[k] = i;
p[i] = 1;
if(k == n)afis(k);
else backT(n,k+1);
p[i] = 0;
}
}
}
int main()
{
int n; fin>>n;
backT(n,1);
return 0;
}