<?php
	set_time_limit(0);
	$f = fopen("S:\Карта2.dxf", "r");
	$fout = fopen("S:\Карта1(1).dxf", "w");
	while(!feof($f)){
		$flag = 0;
		$str = fgets($f);
		if((strpos($str, " 10") !== false || strpos($str, " 20") !== false) && (strpos($str, " 10") == 0 || strpos($str, " 20") == 0)){
			$flag = 1;
			fwrite($fout, $str);
			$str = trim(fgets($f));
			$coord = round($str, 2);
			fwrite($fout, $coord."\n");
		}else{
			if(strpos($str, " 30") !== false && strpos($str, " 30") == 0){
				$flag = 1;
				fwrite($fout, $str."0.0\n");
				$str = fgets($f);
			}
		}
		if(!$flag){
			fwrite($fout, $str);
		}
	}
	fclose($f);
	fclose($fout);
?>