import java.io.*;

// available for EUC text file

public class Katakana2Hiragana{

  public Katakana2Hiragana(String org_file, String dst_file){
    try{
      DataInputStream  in = new DataInputStream(new FileInputStream(org_file));
      DataOutputStream out= new DataOutputStream(new FileOutputStream(dst_file));
      File file= new File(org_file);
      int size= (int)(file.length());
      
      int b1,b2;
      for(int i=0; i<size-1; i++){
        b1= in.read();
        b2= in.read();        

        if((0xa5==b1) && (0xa0<=b2)){
          b1= 0xa4;
        }
        
        out.write(b1);
        out.write(b2);
        i++;
      }
      
      in.close();
      out.close();
    }catch(IOException e){
      e.printStackTrace();
    }    
  }

  /**
   * main
   */
  public static void main(String[] args){
    if(args.length!=2){
    System.err.println("usage : java Katakana2Hiragana <org_file> <dst_file>");
    }else{
      new Katakana2Hiragana(args[0], args[1]);
    }
  }
}