require 'digest/md5'

hash_md5 = "2592307b5c69260ea8bdac47da9bd22a"
hash_sum = 899117

str = gets.chomp

# Digest::MD5.hexdigest(str)
diff = hash_sum - str.split('').map(&:to_i).reduce(:+)

for i in 0...(str.length) do
    next if i == 1
    aft = str[i].to_i + diff
    next unless (0 <= aft && aft < 10)
    changed = str.dup ; changed[i] = aft.to_s(10)
    if Digest::MD5.hexdigest(changed) == hash_md5 then
        puts "#{str[i]} #{aft}"
        break
    end
end