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#include <iostream>
#include <fstream>
#include <algorithm>
#include <cmath>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n, k, a[10],b[10],i,j;
bool ok;
void BKT(int k)
{
if(k==n)
{
for(i=0;i<n;i++)
g<<a[i]<<" ";
g<<endl;
}
else
{
for(i=1;i<=n;i++)
{
if(b[i]==0){
b[i]=1;
a[k]=i;
BKT(k+1);
b[i]=0;
}
}
}
}
int main()
{
f >> n;
BKT(0);
return 0;
}