#define  _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <algorithm>
#include <utility>
#include <functional>
#include <cstring>
#include <queue>
#include <stack>
#include <math.h>
#include <iterator>
#include <vector>
#include <string>
#include <set>
#include <math.h>
#include <iostream> 
#include <random>
#include<map>
#include <iomanip>
#include <time.h>
#include <stdlib.h>
#include <list>
#include <typeinfo>
#include <list>
#include <set>
using namespace std;
#define eps 0.000000001
#define LONG_INF 10000000000000000
#define GOLD 1.61803398874989484820458
#define MAX_MOD 1000000007
#define REP(i,n) for(long long i = 0;i < n;++i)
int mew[200000] = {};
int main() {
	int n;
	cin >> n;
	vector<pair<int, int>> hoge;
	REP(i, n) {
		int a, b;
		cin >> a >> b;
		hoge.push_back(make_pair(a, b));
	}
	for (int i = 0;i < n;++i) {
		for (int q = 120000;q >= 0;--q) {
			mew[q + hoge[i].second] = max(mew[q + hoge[i].second], mew[q] + hoge[i].first);
		}
	}
	int v;
	cin >> v;
	int minner = 1000000000;
	int maxxer = 0;
	for (int i = 1;i < 120000;++i) {
		if (mew[i] == v) {
			minner = min(minner, i);
			maxxer = max(maxxer, i);
		}
	}
	cout << minner << endl;
	if (maxxer == 119999) {
		cout << "inf" << endl;
	}
	else {
		cout << maxxer << endl;
	}
	return 0;
}