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#include <bits/stdc++.h>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n,x[10],used[10];
void bkt(int);
int main()
{
f>>n;
bkt(1);
return 0;
}
void bkt(int p)
{
if(p==n+1)
{
for(int i=1;i<=n;i++)
g<<x[i]<<' ';
g<<'\n';
return;
}
for(int i=1;i<=n;i++)
if(!used[i])
{
x[p]=i;
used[i]=1;
bkt(p+1);
used[i]=0;
}
}