#include <iostream>#include <fstream>using namespace std;ifstream f("pb.in");ofstream g("pb.out");int main(){int n,v[50],i,s,j,nr=0;f>>n;for(i=1;i<=n;i++) f>>v[i];for(i=1;i<n;i++){ s=0; for(j=i+1;j<=n;j++) s=s+v[j]; if(s==v[i]) nr++;}cout<<nr;
return 0;}