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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int x[10],n;
void afis(){
int i;
for(i=1;i<=n;i++)
fout<<x[i]<<" ";
fout<<'\n';
}
int valid(int k){
int i;
for(i=1;i<=k-1;i++)
if(x[k]==x[i])return 0;
return 1;
}
void bk(int k){
int i;
for(i=1;i<=n;i++){
x[k]=i;
if(valid(k))
if(k==n) afis();
else bk(k+1);
}
}
int main(){
fin>>n;
bk(1);
return 0;
}