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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int st[100], freq[1000], k,n;
int solutie(int k){
return (n+1==k);
}
void tipar(int k){
for(int i=1;i<k;i++)
fout<<st[i] <<" ";
fout<<'\n';
}
void bk(int k){
if(solutie(k))
{
tipar(k);
return;
}
for(int i=1;i<=n;i++){
if(freq[i]==0)
{
st[k]=i;
freq[i] = 1;
bk(k+1);
freq[i] = 0;
}
}
}
int main()
{
fin>>n;
bk(1);
return 0;
}