#include <iostream>
#include <vector>
using namespace std;
int belowAvg(vector<int> math, vector<int> verbal)
{
        double average=0.0;
        int count=0;
        for(int i=0 ; i < math.size() ; i++)
                average += (double)(math[i]+verbal[i]);
        average /= math.size();
        for(int i=0 ; i < math.size() ; i++) {
                double t = (double)(math[i]+verbal[i]);
                if(t < average) count++;
        }
        return count;
}