#include <unordered_map>
    
    std::unordered_map<int, unsigned long long int> triangleNumbers;
    
    int main()
    {
        triangleNumbers[0]=10000000000;
        triangleNumbers[1]=10000000002;
        triangleNumbers[2]=10000000005;
        triangleNumbers[3]=10000000009;
        triangleNumbers[4]=10000000014;    
    }