#include <stdio.h>

#define STATE_OUT 0
#define STATE_IN  1

void remove_comments();

int main()
{
    remove_comments();
    return 0;
}

void remove_comments()
{
    // Variable to hold each character read from the input
    int ch;

    // Variables to keep track of whether we're currently inside a comment, a quote, or a line comment
    int comment_state = STATE_OUT;
    int quote_state = STATE_OUT;
    int line_comment_state = STATE_OUT;

    // Variable to remember the last character we saw
    int last_char = 0;

    // Loop over each character in the input until we reach the end of the input
    while ((ch = getchar()) != EOF) {

        // If the character is a quote, and we're not inside a comment or line comment, toggle the quote state
        if (ch == '"' && last_char != '\\' && comment_state == STATE_OUT && line_comment_state == STATE_OUT)
        {
            quote_state = (quote_state == STATE_OUT) ? STATE_IN : STATE_OUT;
        }


        // If the character is a '/', and the last character was also a '/', and we're not inside a comment or quote, enter line comment state
        else if (ch == '/' && last_char == '/' && comment_state == STATE_OUT && quote_state == STATE_OUT)
        {
            line_comment_state = STATE_IN;
        }


        // If the character is a '*', and the last character was a '/', and we're not inside a line comment or quote, enter comment state
        else if (ch == '*' && last_char == '/' && line_comment_state == STATE_OUT && quote_state == STATE_OUT)
        {
            comment_state = STATE_IN;
        }


        // If the character is a '/', and the last character was a '*', and we're inside a comment, leave comment state
        else if (ch == '/' && last_char == '*' && comment_state == STATE_IN)
        {
            comment_state = STATE_OUT;
            ch = 0; // Ensures the '/' isn't printed after a '*/'
        }


        // If the character is a newline, and we're inside a line comment, leave line comment state
        else if (ch == '\n' && line_comment_state == STATE_IN)
        {
            line_comment_state = STATE_OUT;
        }


        // If we're inside a quote, or we're not inside a comment or line comment, print the character
        if (comment_state == STATE_OUT && line_comment_state == STATE_OUT && quote_state == STATE_IN)
        {
            putchar(ch);
        }
        else if (comment_state == STATE_OUT && line_comment_state == STATE_OUT && quote_state == STATE_OUT)
        {
            // If we're not just starting a comment or line comment, print the last character
            if ((ch != '/' && last_char != '/') || (ch != '*' && last_char != '/'))
            {
                if (last_char) putchar(last_char);
            }
        }


        // Update last_char to the current character
        last_char = ch;
    }


    // After we've processed all the input, if there's a last character that we didn't print yet, print it now
    if (last_char) putchar(last_char);
}