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#include <iostream>
#include <sstream>
#include <iomanip>
#include <vector>
#include <string>
#include <map>
#include <set>
#include <algorithm>
#include <numeric>
#include <iterator>
#include <complex>
#include <queue>
#include <stack>
#include <cmath>
using namespace std;
typedef long long LL;

int memo[1001][1001];

class StrengthOrIntellect
{
public:
	int numberOfMissions(vector <int> strength, vector <int> intellect, vector <int> points) 
	{
		memset(memo, 0xff, sizeof(memo));
		return rec(1, 1, strength, intellect, points);
	}

	int rec(int s, int i, vector<int>& strength, vector<int>& intellect, vector<int>& points)
	{
		if( memo[s][i] >= 0 )
			return memo[s][i];

		int pt = 2-s-i, cnt=0;
		for(int j=0; j<strength.size(); ++j)
			if( strength[j]<=s || intellect[j]<=i )
				pt+=points[j], ++cnt;

		for(int ds=0; ds<=pt; ++ds) {
			int ss = min(1000,s + ds);
			int ii = min(1000,i + pt-ds);
			if( ss>s || ii>i )
				cnt = max(cnt, rec(ss, ii, strength, intellect, points));
		}
		return memo[s][i] = cnt;
	}

// BEGIN CUT HERE
	public:
	void run_test(int Case) { if ((Case == -1) || (Case == 0)) test_case_0(); if ((Case == -1) || (Case == 1)) test_case_1(); if ((Case == -1) || (Case == 2)) test_case_2(); if ((Case == -1) || (Case == 3)) test_case_3(); if ((Case == -1) || (Case == 4)) test_case_4(); }
	private:
	template <typename T> string print_array(const vector<T> &V) { ostringstream os; os << "{ "; for (typename vector<T>::const_iterator iter = V.begin(); iter != V.end(); ++iter) os << '\"' << *iter << "\","; os << " }"; return os.str(); }
	void verify_case(int Case, const int &Expected, const int &Received) { cerr << "Test Case #" << Case << "..."; if (Expected == Received) cerr << "PASSED" << endl; else { cerr << "FAILED" << endl; cerr << "\tExpected: \"" << Expected << '\"' << endl; cerr << "\tReceived: \"" << Received << '\"' << endl; } }
	void test_case_0() { int Arr0[] = {1, 2}; vector <int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0]))); int Arr1[] = {1, 2}; vector <int> Arg1(Arr1, Arr1 + (sizeof(Arr1) / sizeof(Arr1[0]))); int Arr2[] = {1, 2}; vector <int> Arg2(Arr2, Arr2 + (sizeof(Arr2) / sizeof(Arr2[0]))); int Arg3 = 2; verify_case(0, Arg3, numberOfMissions(Arg0, Arg1, Arg2)); }
	void test_case_1() { int Arr0[] = {3}; vector <int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0]))); int Arr1[] = {2}; vector <int> Arg1(Arr1, Arr1 + (sizeof(Arr1) / sizeof(Arr1[0]))); int Arr2[] = {1}; vector <int> Arg2(Arr2, Arr2 + (sizeof(Arr2) / sizeof(Arr2[0]))); int Arg3 = 0; verify_case(1, Arg3, numberOfMissions(Arg0, Arg1, Arg2)); }
	void test_case_2() { int Arr0[] = {1, 3, 1, 10, 3}; vector <int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0]))); int Arr1[] = {1, 1, 3, 20, 3}; vector <int> Arg1(Arr1, Arr1 + (sizeof(Arr1) / sizeof(Arr1[0]))); int Arr2[] = {2, 1, 1, 5, 1}; vector <int> Arg2(Arr2, Arr2 + (sizeof(Arr2) / sizeof(Arr2[0]))); int Arg3 = 4; verify_case(2, Arg3, numberOfMissions(Arg0, Arg1, Arg2)); }
	void test_case_3() { int Arr0[] = {1, 2, 100, 5, 100, 10, 100, 17, 100}; vector <int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0]))); int Arr1[] = {1, 100, 3, 100, 7, 100, 13, 100, 21}; vector <int> Arg1(Arr1, Arr1 + (sizeof(Arr1) / sizeof(Arr1[0]))); int Arr2[] = {1, 2, 3, 4, 5, 6, 7, 8, 1}; vector <int> Arg2(Arr2, Arr2 + (sizeof(Arr2) / sizeof(Arr2[0]))); int Arg3 = 9; verify_case(3, Arg3, numberOfMissions(Arg0, Arg1, Arg2)); }
	void test_case_4() { int Arr0[] = {1, 10, 1, 2, 16, 12, 13, 19, 12, 8}; vector <int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0]))); int Arr1[] = {1, 5, 1, 8, 3, 5, 3, 16, 19, 20}; vector <int> Arg1(Arr1, Arr1 + (sizeof(Arr1) / sizeof(Arr1[0]))); int Arr2[] = {1, 1, 1, 2, 1, 1, 2, 3, 5, 1}; vector <int> Arg2(Arr2, Arr2 + (sizeof(Arr2) / sizeof(Arr2[0]))); int Arg3 = 7; verify_case(4, Arg3, numberOfMissions(Arg0, Arg1, Arg2)); }

// END CUT HERE
};
// BEGIN CUT HERE 
int main() { StrengthOrIntellect().run_test(-1); }
// END CUT HERE