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

int N, V;
vector<int> v, w;
vector<int> dp;

int ns(int W) {
    dp.assign(W+1, -1);
    dp[0] = 0;
    for (int i = 0; i < N; i++) {
        for (int j = W; j >= 0; j--) {
            if (j - w[i] >= 0) {
                dp[j] = max(dp[j], dp[j-w[i]] + v[i]);
            }
        }
    }
    return dp[W];
}

int main() {
    cin >> N;
    v.resize(N); w.resize(N);
    for (int i = 0; i < N; i++) cin >> v[i] >> w[i];
    cin >> V;

    int ok = 100000, ng = 0;
    while (ok - ng > 1) {
        int mid = (ok + ng) / 2;
        if (ns(mid) < V-1) ng = mid;
        else ok = mid;
    }
    cout << ok << endl;
    ok = 1, ng = 100002;
    while (ng - ok > 1) {
        int mid = (ok + ng) / 2;
        if (ns(mid) > V) ng = mid;
        else ok = mid;
    }
    if (ok == 100001) cout << "inf" << endl;
    else cout << ok << endl;
}