#!/usr/bin/env ruby

n, m = gets.split.map(&:to_i)
as = gets.split.map(&:to_i)

as_sum = Array.new(n + 1)
as_sum[0] = 0
n.times do |i|
  as_sum[i + 1] = as_sum[i] + as[i]
end
sum = as_sum[n]
dp = Array.new(sum * 2, 0)
dp[0] = 1

while m != 0
  n.times do |i|
    a = as[i]
    (sum - 1 + as_sum[i + 1]).downto(a) do |x|
      dp[x] += dp[x - a]
      if dp[x] >= 1234567891
        dp[x] -= 1234567891
      end
    end
  end
  sum.times do |x|
    dp[x] = dp[x << 1 | (m & 1)]
  end
  dp.fill(0, sum ... sum * 2)
  m >>= 1
end

p dp[0]