#include <bits/stdc++.h>
using namespace std;
const int ppr = 257;
const long long INF = 1e18;
const int inf = 1e9;
const int mod = 1e9 + 7;
const int N = 2e5 + 123;
const long double pi = 3.141592653589793238462643;
const int dx[] = {1, 0, -1, 0};
const int dy[] = {0, 1, 0, -1};
int n, a[N], p[N], second[N], cnt;
int main() {
  ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
  cin >> n;
  for (int i = 1; i <= n; i++) cin >> a[i];
  for (int i = 1; i <= n; i++) p[i] = p[i - 1] + a[i];
  for (int i = n; i > 0; i--) second[i] = second[i + 1] + a[i];
  for (int i = 1; i < n; i++)
    if (p[i] == second[i + 1]) cnt++;
  cout << cnt;
  return 0;
}
