func_code_string: #include <bits/stdc++.h>   using namespace std;   long long int n, k;   void inp() {     cin >> n >> k;     return;   }   void solve() {     set<long long int> second;     for (long long int i = 1; i <= k; i++)       if (second.count(n % i))         return void(cout <<  No n );       else         second.insert(n % i);     cout <<  Yes n ;     return;   }   int main() {     clock_t beg = clock();     {       cin.tie(0);       ios_base::sync_with_stdio(false);     };     inp();     solve();     clock_t end = clock();     fprintf(stderr,  %.3f sec n , (double)(end - beg) / CLOCKS_PER_SEC);     return 0;   }   