#define _USE_MATH_DEFINES #define _CRT_SECURE_NO_WARNINGS #include<stdio.h> #include<string> #include<iostream> #include<iostream> #include<cctype> #include<cstdio> #include<vector> #include<stack> #include<queue> #include <algorithm> #include<math.h> #include<set> #include<map> #include <sstream> #include<iomanip> #include <ctype.h> using namespace std; //#include<bits/stdc++.h> int main() { long long int n, k; cin >> n >> k; long long int r = n / (k + 1); //if (n % (k + 1)) r++; cout << r << endl;; return 0; }