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#include<fstream>
ifstream cin("permutari.in");
ofstream cout("permutari.out");
using namespace std;
int st[100],p,i,n,k;
bool valid(int p){
for(i=1;i<p;++i)
if(st[i]==st[p]) return 0;
return 1;
}
void afisare(int p){
for(i=1;i<=p;++i)
cout<<st[i]<<" ";
cout<<endl;
}
void back(int p){
int pval;
for(pval=1;pval<=n;++pval){
st[p]=pval;
if( valid(p) ) if(p==n) afisare(p);
else back(p+1);
}
}
int main()
{
cin>>n;
back(1);
return 0;
}