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#include <bits/stdc++.h>
using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");
int n, sol[15];
void afis(){
for(int i = 1; i <= n; i++)
out<<sol[i]<<" ";
out<<"\n";
}
bool ok(int k){
for(int i = 1; i < k; i++)
if(sol[i] == sol[k])
return false;
return true;
}
void bkt(int k){
for(int i = 1; i <= n; i++){
sol[k] = i;
if(ok(k)){
if(k == n)
afis();
else
bkt(k + 1);
}
}
}
int main(){
in>>n;
bkt(1);
}