#define _CRT_SECURE_NO_WARNINGS
#include <string>
#include <vector>
#include <algorithm>
#include <numeric>
#include <set>
#include <map>
#include <queue>
#include <iostream>
#include <sstream>
#include <cstdio>
#include <cmath>
#include <ctime>
#include <cstring>
#include <cctype>
#include <cassert>
#include <limits>
#include <functional>
#include <stack>

#define REP(i,n) for(int (i) = 0;(i) < (n) ; ++(i))
#define REPA(a,i,n) for(int (i) = (a) ; (i) < (n) ; ++(i))
#if defined(_MSC_VER)||__cplusplus > 199711L
#define AUTO(r,v) auto r = (v)
#else
#define AUTO(r,v) typeof(v) r = (v)
#endif
#define ALL(c) (c).begin() , (c).end()
#define EACH(it,c) for(AUTO(it,(c).begin());it != (c).end();++it)
#define LL long long
#define INF  99999999;
#define QUICK_CIN ios::sync_with_stdio(false); cin.tie(0);
using namespace std;

bool dp[102][10000];
int points[100];


int main(){
	QUICK_CIN;

	dp[0][0] = true;

	int n;
	cin >> n;
	REP(i, n){
		cin >> points[i];
	}

	REP(i, n){
		REP(j, 10000){
			if (dp[i][j]){
				dp[i+1][j] = dp[i+1][j + points[i]] = true;
			}
		}
	}

	cout << count_if(dp[n], dp[n] + 10000, [](bool x){return x; }) << endl;

	return 0;
}