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#include <fstream>
using namespace std;
ifstream in("submultimi.in");
ofstream out("submultimi.out");
int n, a[17];
bool valid(int k){
if(k==1)
return true;
else
return a[k-1] < a[k];
}
void bck(int k){
for(int i = 1; i <= n; i++) {
a[k] = i;
if(valid(k)) {
for(int j = 1; j <= k; j++)
out << a[j] << ' ';
out << '\n';
if(k == n)
return;
bck(k + 1);
}
}
}
int main() {
in >> n;
bck(1);
return 0;
}