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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin ("permutari.in");
ofstream fout ("permutari.out");
int n, v[15], f[15];
void bt(int k){
if(k > n){
for(int i=1; i<=n; i++)
fout<<v[i]<<" ";
fout<<"\n";
return;
}
for(int i=1; i<=n; i++)
if(f[i] == 0){
f[i]=1;
v[k]=i;
bt(k+1);
f[i]=0;
}
}
int main (){
fin>>n;
bt(1);
return 0;
}