class FileSystem {

private FileNode root;

public FileSystem() {

this.root = new FileNode();

}

public boolean createPath(String path, int value) {

String[] split = path.split("/");

FileNode node = root;

for (int i = 1; i < split.length - 1; i++) {

if (!node.children.containsKey(split[i])) {

return false;

}

node = node.children.get(split[i]);

}

if (node.children.containsKey(split[split.length - 1])) {

return false;

}

node.children.put(split[split.length - 1], new FileNode(value));

return true;

}

public int get(String path) {

String[] split = path.split("/");

FileNode node = root;

for (int i = 1; i < split.length; i++) {

if (!node.children.containsKey(split[i])) {

return -1;

}

node = node.children.get(split[i]);

}

return node.value == null ? -1 : node.value;

}

private static class FileNode {

private final Map<String, FileNode> children;

private Integer value;

public FileNode() {

this.children = new HashMap<>();

}

public FileNode(Integer value) {

this.children = new HashMap<>();

this.value = value;

}

}

}

/**

* Your FileSystem object will be instantiated and called as such:

* FileSystem obj = new FileSystem();

* boolean param_1 = obj.createPath(path,value);

* int param_2 = obj.get(path);

*/