#include 

using namespace std;

int main()
{
    int mat[3][9];
    mat[0][0] = 1;
    mat[0][1] = 2;
    mat[0][2] = 6;
    mat[0][3] = 9;
    mat[0][4] = 4;
    mat[0][5] = 3;
    mat[0][6] = 15;
    mat[0][7] = 10;
    mat[0][8] = 50;
    for(int i = 0; i < 9; i += 1) {
        if(mat[0][i] == 1) {
            cout << "cobblestone ";
        }
        else if(mat[0][i] == 2) {
            cout << "obsidian ";
        }
        else if(mat[0][i] == 6) {
            cout << "bricks ";
        }
        else if(mat[0][i] == 9) {
            cout << "bones ";
        }
        else if(mat[0][i] == 4) {
            cout << "wither skulls ";
        }
        else if(mat[0][i] == 3) {
            cout << "nether wart ";
        }
        else if(mat[0][i] == 15) {
            cout << "diamonds ";
        }
        else if(mat[0][i] == 10) {
            cout << "emerald ";
        }
        else if(mat[0][i] == 50) {
            cout << "golden apple ";
        }
    }
    return 0;
}