import java.io.*;
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int n = sc.nextInt();
        TreeMap<Integer, Integer> values = new TreeMap<>();
        values.put(0, 0);
        for (int i = 0; i < n; i++) {
            int v = sc.nextInt();
            int w = sc.nextInt();
            Integer key = Integer.MAX_VALUE;
            while ((key = values.lowerKey(key)) != null) {
                Integer next = key + v;
                int wnext = values.get(key) + w;
                if (values.lastKey() < next || values.ceilingEntry(next).getValue() > wnext) {
                    values.put(next, wnext);
                }
                while ((next = values.lowerKey(next)) != null) {
                    if (values.get(next) >= wnext) {
                        values.remove(next);
                    } else {
                        break;
                    }
                }
            }
        }
        values.put(0, 1);
        int v = sc.nextInt();
        System.out.println(values.get(v));
        if (values.lastKey() == v) {
            System.out.println("inf");
        } else {
            System.out.println(values.higherEntry(v).getValue() - 1);
        }
    }
}
class Scanner {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer st = new StringTokenizer("");
    StringBuilder sb = new StringBuilder();
    
    public Scanner() throws Exception {
        
    }
    
    public int nextInt() throws Exception {
        return Integer.parseInt(next());
    }
    
    public long nextLong() throws Exception {
        return Long.parseLong(next());
    }
    
    public double nextDouble() throws Exception {
        return Double.parseDouble(next());
    }
    
    public String next() throws Exception {
        while (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
    
}