<?php
// Here your code !
 list($major, $minor, $release) = explode(".", trim(fgets(STDIN)));
 list($input_major, $input_minor, $input_release) = explode(".", trim(fgets(STDIN)));
 
if ($major >= $input_major) echo "YES", PHP_EOL;
else if ($minor >= $input_minor) echo "YES", PHP_EOL;
else if ($release >= $input_release) echo "YES", PHP_EOL;
else echo "NO", PHP_EOL;