#include <bits/stdc++.h> using namespace std; int judge(int a,int b) { int c = 0; while (a != 0) { if (a % 10 == b) { c++; } a /= 10; } return c; } int main() { int cnt = 0; int n, x; cin >> n >> x; for (int i = 1; i <= n; i++) { cnt += judge(i, x); } cout << cnt; return 0...