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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int N, v[10], p[10];
void afisare(){
for(int i = 1; i<=N; i++){
g<<v[i]<<" ";
}
g<<"\n";
}
void back(int k){
for(int i = 1; i<=N; i++){
if(!p[i]){
v[k] = i;
p[i] = 1;
if(k < N){
back(k+1);
}
else{
afisare();
}
p[i]=0;
}
}
}
int main() {
f>>N;
back(1);
return 0;
}