#!/usr/bin/env ruby
def escape(str)
  esc_str = str.gsub(/\t/," & ") + "\\\\"
  esc_str.gsub(/(\d)E([+-]?)(\d{1,2})/) do |m|
    "#{$1} \\$\\times 10^{#{$2 =="-" ? "-" : ""}#{$3.to_i}}\\$"
  end
end
require 'pp'
data=STDIN.read.split("\n")
first_line = data.shift
count=first_line.scan(/\t/).length+1;
result=["\\begin{tabular}{#{"c" * count}}"];
hl = "\\hline"
result << hl << escape(first_line) << hl
result += data.map{|line| escape(line)}
result << hl << "\\end{tabular}"
puts result.join("\n")