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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n;
bool ok[10];
int v[10];
void show(){
for(int i = 1; i <= n; i++){
g << v[i] << " ";
}
g << "\n";
}
void bekt(int k){
if(k > n){
show();
return;
}
for(int i = 1; i <= n; i++){
if(ok[i] == 0){
v[k] = i;
ok[i] = 1;
bekt(k + 1);
ok[i] = 0;
}
}
}
int main()
{
f >> n;
bekt(1);
return 0;
}