#include <bits/stdc++.h> using namespace std; int main() { int a, x1, x2; for (int a = 1;; a++) { x1 = ((a * 8 + 7) * 8 + 1) * 8 + 1; x2 = (2 * a * 17 + 15) * 17 + 4; if (x1 == x2) { cout << x1 << endl; break; } } return 0; }