#include <iostream> using namespace std; int main() { int n, temp = 0, num = 0, mxx = 0; cin >> n; for (int i = 1; i <= n; i++) { mxx = i; num = 0; while (mxx) { temp = mxx % 10; mxx = mxx / 10; num = num * 10 + temp; } if (i == num) { cout << i << endl; } } }