#include <bits/stdc++.h>   using namespace std;   const long long INF = 1e18;   const int inf = 1e9;   int main() {     long long n, m, grt = 0, eq = 0, less = 0, i;     cin >> n >> m;     for (i = 0; i < n; i++) {       long long temp;       cin >> temp;       if (temp == m)         eq++;       else if (temp < m)         less++;       else         grt++;     }     long long ans = 0, tot;     if (eq == 0) {       eq++;       ans++;     }     tot = less + eq + grt;     long long temp = (tot + 1) / 2;     if (less + eq < temp) {       ans += grt - less - eq;       less += grt - less - eq;     } else if (tot - (grt + eq) > temp) {       ans += less - eq - grt;       grt += less - eq - grt;     }     tot = less + eq + grt;     temp = (tot + 1) / 2;     if (less == temp) ans++;     if (grt == tot - temp + 1) ans++;     cout << ans << endl;     return 0;   }   