#include <bits/stdc++.h>   using namespace std;   template <class T>   string tostring(T x) {     ostringstream out;     out << x;     return out.str();   }   long long toint(string s) {     istringstream in(s);     long long x;     in >> x;     return x;   }   int main() {     int n, x, tmp;     cin >> n >> x;     int ans = 0, zero = 0;     for (int i = 0; i < n; i++) {       cin >> tmp;       ans += tmp;     }     if (ans == 0) {       cout << 0 << endl;     } else {       ans = ((ans < 0) ? -(ans) : (ans));       if (ans % x == 0) {         cout << ans / x << endl;       } else {         cout << ans / x + 1 << endl;       }     }     return 0;   }   