public class Main {

    public static void main(String[] args)
    {
        String[] onp = new String[args.length];
        String[] stack = new String[10];
        int index = -1;

        int j = 0;
        for (String str: args)
        {
            onp[j] = "";
            if(str.endsWith("="))
            {
                for(int c = 0; c < str.length(); ++c)
                {
                    if(str.charAt(c) >= '0' && str.charAt(c) <= '9' || str.charAt(c) == '.')
                    {
                        onp[j] += str.charAt(c);
                        if(!(str.charAt(c + 1) >= '0' && str.charAt(c + 1) <= '9') && str.charAt(c + 1) != '.')
                        {
                            onp[j] += " ";
                        }
                    }
                    else {
                        switch(str.charAt(c)){

                            case '-':
                            case '+':

                                while(index >=0 && !stack[index].equals("(")){
                                    onp[j] += stack[index] + " ";
                                    index--;
                                }

                                stack[++index] = str.charAt(c) + "";
                                break;

                            case '*':
                            case '/':

                                while(index >=0 && !stack[index].equals("(") && !stack[index].equals("+") && !stack[index].equals("-")){
                                    onp[j] += stack[index] + " ";
                                    index--;
                                }


                                stack[++index] = str.charAt(c) + "";
                                break;


                            case '^':
                                while(index >=0 && !stack[index].equals("(") && !stack[index].equals("+") && !stack[index].equals("-") && !stack[index].equals("*") && !stack[index].equals("/")){
                                    onp[j] += stack[index] + " ";
                                    index--;
                                }


                                stack[++index] = str.charAt(c) + "";
                                break;

                            case '(':

                                stack[++index] = str.charAt(c) + "";
                                break;
                            case ')':

                                while(index >= 0 && !stack[index].equals("(")){
                                    onp[j] += stack[index] + " ";
                                    index--;
                                }
                                index--;
                                break;

                            case '=':
                                while(index >= 0 ){
                                    onp[j] += stack[index] + " ";
                                    index--;
                                }
                                break;


                            default:
                                break;
                        }
                    }
                }

            }
            else
            {
                System.out.println("Wprowadzone równanie: '" + str + "' jest blędne.");
            }
            System.out.println(onp[j]);
            j++;
        }
    }
}