#include<iostream>
using namespace std;
int main()
{
    int n1, n2, sum1, sum2, c1, nc1, c2, nc2, c3, nc3, kolvo;
    kolvo = 0;
    for (int i = 100000; i <= 999999; i++)
    {
        n1 = i / 1000;
        n2 = i % 1000;
        sum1 = 0;
        sum2 = 0;
        while (n1 != 0)
        {
            sum1 += n1 % 10;
            n1 /= 10;
        }
        while (n2 != 0)
        {
            sum2 += n2 % 10;
            n2 /= 10;
        }
        if (sum1 == sum2)
        {
            n1 = i;
            c1 = n1 % 10;
            n1 /= 10;
            nc1 = n1 % 10;
            n1 /= 10;
            c2 = n1 % 10;
            n1 /= 10;
            nc2 = n1 % 10;
            n1 /= 10;
            c3 = n1 % 10;
            n1 /= 10;
            nc3 = n1 % 10;
            if (((nc1 == nc2) &&(nc2 == nc3)) || ((c1 == c2) && (c2 == c3)))

            {
                kolvo++;
                //cout << i << endl;
            }
        }
    }
    cout << kolvo << endl;
    system("pause");
}