using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    static int[][] NArr(long n) => Enumerable.Repeat(0, (int)n).Select(_ => NList).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var n = NN;
        var map = NArr(n);
        var v = NN;
        var len = 0;
        for (var i = 0; i < n; ++i) len += map[i][1];
        var INF = int.MinValue / 2;
        var dp = Enumerable.Repeat(INF, len + 1).ToArray();
        dp[0] = 0;
        for (var i = 0; i < n; ++i)
        {
            for (var j = len - map[i][1]; j >= 0; --j) dp[j + map[i][1]] = Math.Max(dp[j + map[i][1]], dp[j] + map[i][0]);
        }
        for (var i = 1; i <= len; ++i) dp[i] = Math.Max(dp[i], dp[i - 1]);
        var max = -1;
        var min = -1;
        for (var i = 1; i <= len; ++i) if (dp[i] == v)
        {
            max = i;
            if (min < 0) min = i;
        }
        WriteLine(min);
        WriteLine(max == len ? "inf" : max.ToString());
    }
}