using System;
using System.Collections.Generic;
using System.Linq;

class Program
{
    static string InputPattern = "InputX";

    static List<string> GetInputList()
    {
        var WillReturn = new List<string>();

        if (InputPattern == "Input1") {
            WillReturn.Add("3");
            WillReturn.Add("5 3");
            WillReturn.Add("9 8");
            WillReturn.Add("3 2");
            WillReturn.Add("8");
            //5
            //7
        }
        else if (InputPattern == "Input2") {
            WillReturn.Add("4");
            WillReturn.Add("33 4");
            WillReturn.Add("114 514");
            WillReturn.Add("123 456");
            WillReturn.Add("3 14");
            WillReturn.Add("0");
            //1
            //3
        }
        else if (InputPattern == "Input3") {
            WillReturn.Add("2");
            WillReturn.Add("33 4");
            WillReturn.Add("114 514");
            WillReturn.Add("147");
            //518
            //inf
        }
        else {
            string wkStr;
            while ((wkStr = Console.ReadLine()) != null) WillReturn.Add(wkStr);
        }
        return WillReturn;
    }

    struct NimotuDef
    {
        internal int V;
        internal int W;
    }

    static void Main()
    {
        List<string> InputList = GetInputList();

        int[] wkArr = { };
        Action<string> SplitAct = pStr =>
            wkArr = pStr.Split(' ').Select(X => int.Parse(X)).ToArray();

        int N = int.Parse(InputList[0]);

        NimotuDef[] NimotuArr = new NimotuDef[N];
        for (int I = 1; I <= N; I++) {
            SplitAct(InputList[I]);
            NimotuArr[I - 1].V = wkArr[0];
            NimotuArr[I - 1].W = wkArr[1];
        }
        int V = int.Parse(InputList[N + 1]);

        //最大の価値合計[重さ合計]なDP表
        var DPDict = new Dictionary<int, int>();
        DPDict[0] = 0;

        foreach (NimotuDef EachNimotu in NimotuArr) {
            foreach (int EachKey in DPDict.Keys.OrderByDescending(X => X).ToArray()) {
                //価値超過を枝切り
                if (DPDict[EachKey] > V) continue;

                int NewW = EachKey + EachNimotu.W;
                int NewV = DPDict[EachKey] + EachNimotu.V;

                if (DPDict.ContainsKey(NewW) && DPDict[NewW] > NewV)
                    continue;
                DPDict[NewW] = NewV;
            }
        }

        //foreach (var EachPair in DPDict.OrderBy(X => X.Key)) {
        //    Console.WriteLine("DPDict[{0}]={1}", EachPair.Key, EachPair.Value);
        //}

        //最小のナップサックの重さを求める
        int MinW = DPDict.Where(X => X.Value == V).Min(X => X.Key);
        if (MinW == 0) MinW = 1;
        Console.WriteLine(MinW);

        //最大のナップサックの重さを求める
        var Tmp = DPDict.Where(X => X.Value > V);
        if (Tmp.Any()) {
            Console.WriteLine(Tmp.Min(X => X.Key) - 1);
        }
        else {
            Console.WriteLine("inf");
        }
    }
}