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#include <bits/stdc++.h>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
const int NMAX=10;
int N, x[NMAX], f[NMAX];
void backtracking(int k){
for(int i=1;i<=N;i++){
x[k]=i;
if(f[i]==0){
f[i]=1;
if(k==N){
for(int j=1;j<=N;j++)
fout<<x[j]<<' ';
fout<<'\n';
}
else
backtracking(k+1);
f[i]=0;
}
}
}
int main()
{
fin>>N;
backtracking(1);
fin.close();
fout.close();
return 0;
}