POJ 2876

#include<iostream>
#include<string>
using namespace std;

string s[13];

int main()
{
    //freopen("acm.acm","r",stdin);
    string tem;
    int i;
    s[0] = "-";
    for(i = 1; i < 13; ++ i)
    {
        s[i] += s[i-1];
        s[i] += s[i-1];
        s[i] += s[i-1];
        fill_n(s[i].begin()+s[i-1].length(),s[i-1].length(),' ');
    }
    while(cin>>i)
    {
        cout<<s[i]<<endl;
    }
}