import java.io.*;

class CopyFile {

public static void main(String args[]) {

int i;

if(args.length != 2) {

System.out.println("Usage: CopyFile <start_file> <target_file>");

return;

}

try (FileInputStream fin = new FileInputStream(args[0]);

FileOutputStream fout = new FileOutputStream(args[1])) {

do {

i = fin.read();

if(i != -1) fout.write(i);

} while(i != -1);

} catch(IOException exc) {

System.out.println("Input/Output error: " + exc);

} /*finally {

try {

if(fin != null) fin.close();

} catch(IOException exc) {

System.out.println("Closing error for input file");

}

try {

if(fout != null) fout.close();

} catch(IOException exc) {

System.out.println("Closing error for output file");

}

}*/

}

}