import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.io.UnsupportedEncodingException;

public class symbolRemover {
	public static void main(String[] args) {

		if (args.length == 1) {
			String name[] = (args[0].split("\\."));

			try {
				File outFile = new File(name[0] + "Mod." + name[1]);
				boolean success = outFile.createNewFile();
				if (!success) {
					System.err.println("File already exist!");
					System.err.println("Operation aborted..");
					return;
				}
				FileOutputStream out = new FileOutputStream(name[0] + "Mod." + name[1]);
				PrintStream p = new PrintStream(out);
				FileInputStream fstream = new FileInputStream(args[0]);
				DataInputStream in = new DataInputStream(fstream);
				
				byte tempChar='\0';
				byte tempChar1='\0';
				byte tempChar2='\0';
				byte tempChar3='\0';
				
				if(in.available() != 0) {
					tempChar = in.readByte();
				}

				while (in.available() != 0) {
					tempChar3 = tempChar2;
					tempChar2 = tempChar1;
					tempChar1 = tempChar;
					tempChar = in.readByte();

					if ((tempChar2 == '>')&&(tempChar3 == ' ')){
						continue;
					}
					else if ((tempChar2 == ' ')&&(tempChar3 == '>'))
						continue;
					else if ((tempChar == '>')&&(tempChar1 == '\n')&&(tempChar2 == '\r')&&(tempChar3 == '>')){
						tempChar = '\0';
						tempChar1 = '\0';
						tempChar2 = '\0';
						tempChar3 = '\0';
						p.write('\r');
						p.write('\n');
						p.write('\r');
						p.write('\n');
						continue;
					}
					else if ((tempChar1 == '>')&&(tempChar2 == '\n')&&(tempChar3 == '\r')){
						tempChar1 = '\0';
						tempChar2 = '\0';
						tempChar3 = '\0';
						p.write(' ');
						continue;
					}
					else if ((tempChar != '>')&&(tempChar1 == '\n')&&(tempChar2 == '\r')&&(tempChar3 != '>')){
						p.write(tempChar3);
						p.write(' ');
						p.write(tempChar);
						tempChar = '\0';
						tempChar1 = '\0';
						tempChar2 = '\0';
						tempChar3 = '\0';
						continue;
					}
					else if (tempChar3 != '>' && tempChar3 != '\0'){
						p.write(tempChar3);
					}
				}

				if (tempChar2 != '>' && tempChar2 != '\0')
					p.write(tempChar2);
				if (tempChar1 != '>' && tempChar1 != '\0')
					p.write(tempChar1);
				if (tempChar != '>' && tempChar != '\0')
					p.write(tempChar);
				
				in.close();
				p.close();
				System.out.println("Completed!");
			} catch (FileNotFoundException e) {
				e.printStackTrace();
			} catch (UnsupportedEncodingException e) {
				e.printStackTrace();
			} catch (IOException e) {
				e.printStackTrace();
			}
		} else
			System.out.println("Invalid parameters");
	}

}