// macros #include <iostream> #include <algorithm> #include <vector> #include <string> #include <map> using namespace std; typedef long long ll; typedef pair<int,int> pii; #define LLINF 1000000000000000000LL #define FOR(i,a,b) for(int i=(int)(a);i<(int)(b);i++) #define debug(a) cout << "L(" << __LINE__ << "):" << #a << ":" << a << endl; // problems limits #define MAX_N 10000 // Variables int N,v; int A[MAX_N]; // problems input void input() { cin >> N; FOR(i,0,N) cin >> A[i]; cin >> v; } // problems main void solve() { int sum=0; FOR(i,0,N) { sum += A[i]; } cout << sum - v << endl; } int main() { ios::sync_with_stdio(false); input(); solve(); }