#include <bits/stdc++.h>
using namespace std;

int dp[100010];

int main() {
	int n,maxv;
	cin >> n;
	vector<int> v(n), w(n);
	for (int i = 0;i < n;i++) {
		cin >> v[i] >> w[i];
	}
	cin >> maxv;

	for (int i = 0;i <= 100000;i++) {
		dp[i] = 0;
	}
	for (int i = 0;i < n;i++) {
		for (int j = 100000-w[i];j >=0 ;j--) {
			dp[w[i] + j] = max(dp[w[i] + j], dp[j] + v[i]);
		}
	}
	int mi, ma;
	dp[100001] = maxv;
	for (int i = 1;i <= 100001;i++) {
		if (dp[i] == maxv) {
			mi = i;
			while (dp[i] == maxv&&i<=100001) {
				i++;
			}
			ma = i - 1;
			break;
		}
	}
	cout << mi << endl;
	if (ma == 100001) {
		cout << "inf" << endl;
	}
	else {
		cout << ma << endl;
	}

	return 0;
}