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#include <bits/stdc++.h>
#define nmax 101
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n,sol[nmax],viz[nmax];
void answer(int k)
{
if(k==n+1)
{
for(int i=1; i<k; i++)
g<<sol[i]<<" ";
g<<'\n';
}
else
{
for(int i=1; i<=n; i++)
if(!viz[i])
{
viz[i]=1;
sol[k]=i;
answer(k+1);
viz[i]=0;
}
}
}
void Read()
{
f>>n;
answer(1);
}
int main()
{
Read();
return 0;
}