#include <iostream>
class Node {
public:
    int Value;
    Node * Next;
    Node(int Val, Node * Nxt = nullptr) {
        Value = Val;
        Next = Nxt;
    }
};
int main() {
    Node * firstNode = new Node(10);
    firstNode->Next = new Node(100);
    firstNode->Next->Next = new Node(111, firstNode);
    return 0;
}