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#include <fstream>
using namespace std;
ifstream cin("submultimi.in");
ofstream cout("submultimi.out");
int x[10002], N;
bool u;
void BT(int k){
for(int i=0;i<=1;i++){
x[k]=i;
if (k == N){
for(int i=1; i<=N; i++) if (x[i] == 1) cout << i << " ";
for(int i = 1; i <= N; i++){
if(x[i] == 1){ u = 1; break; }
}
if(u) cout << "\n";
}
else
BT(k+1);
}
}
int main(){
cin >> N;
BT(1);
return 0;
}