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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
int v[17];
bool used[17];
int n;
int j;
int answers;
void bkt(int poz) {
if(poz == j + 1) {
for(int i = 1; i <= j; i++) {
fout << v[i] << " ";
}
fout << '\n';
} else {
for(int i = v[poz - 1]; i <= n; i++) {
if(!used[i]) {
v[poz] = i;
used[i] = true;
bkt(poz + 1);
used[i] = false;
}
}
}
}
int main() {
fin >> n;
v[0] = 1;
for(j = 1; j <= n; j++) {
bkt(1);
}
}