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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n,sol[10];
bool b[10];
void afis()
{ for(int i=1;i<=n;i++)
g<<sol[i]<<' ';
g<<'\n';
}
void bkt(int k)
{ if(k==n+1) afis();
else for(int i=1;i<=n;i++)
{ if(!b[i])
{ sol[k]=i;
b[i]=1;
bkt(k+1);
b[i]=0;
}
}
}
int main()
{
f>>n;
bkt(1);
return 0;
}