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#include<fstream>
using namespace std;
ifstream in ("permutari.in");
ofstream out ("permutari.out");
int n,v[9],k;
int valid(int k){
for(int i=1;i<=k;i++)
if(v[i]==v[k])
return 0;
return 1;
}
int solutie(int k){
if(k == n)
return 1;
return 0;
}
void afisati(int k){
for(int i=1;i<=k;i++)
out<<v[i]<<" ";
out<<'\n';
}
void BK(int k){
for(int i=1;i<=k;i++){
v[k]=i;
if(valid(k)){
if(solutie(k))
afisati(k);
else
BK(k+1);
}
}
}
int main(){
in>>n;
BK(1);
out.close();
return 0;
}