INF = 1 << 25
n = gets.to_i
ITEM = n.times.map{gets.split.map(&:to_i)}
V = gets.to_i

init = Array.new(V+2, INF)
init[0] = 0
dp = ITEM.inject(init) do |s, (v,w)|
    dp = Array.new(V+2, INF)
    (0 .. V+1).each do |i|
        if i < v
            dp[i] = [ w, s[i] ].min
        else
            dp[i] = [ s[i - v] + w, s[i] ].min
        end
    end
    dp
end
if dp[V] == 0
    puts 1
else
    puts dp[V]
end
if dp[V + 1] < 10 ** 5
    puts dp[V + 1] - 1
else
    puts "inf"
end