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#include<bits/stdc++.h>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n, s[9], v[9];
void afis(){
for(int i=1; i<=n; i++)
fout<<s[i]<<" ";
fout<<"\n";
}
void bkt(int k){
for(int i=1; i<=n; i++){
if(!v[i]){
v[i] = 1;
s[k] = i;
if(k<n) bkt(k+1);
else afis();
s[k] = 0;
v[i] = 0;
}
}
}
int main(){
fin>>n;
bkt(1);
}