#include <stdio.h>
#define  DEFAULT  0
#define  BLOCK_COMMENT  1
#define  STRING_COMMENT  2
#define  STRING  3

void main()
{
    int c;
    int mode = 0;

    while((c=getchar())!=EOF) {
        switch(mode)
        {
        case DEFAULT:
            if (c == '\"') {
                mode = STRING;  //...Значит это строка
                putchar(c); //Печатаем кавычки
            } else if (c == '/') {
                c = getchar();
                if (c == '/') mode = STRING_COMMENT;
                else if (c == '*') mode = BLOCK_COMMENT;
                else putchar('/'), putchar(c);
            } else putchar(c);
            break;
        case BLOCK_COMMENT:
            if (c == '*') if ((c=getchar()) == '/') mode = DEFAULT;
            break;
        case STRING_COMMENT:
            if (c == '\n') mode = DEFAULT, putchar('\n');
            break;
        case STRING:
            if (c == '\\') putchar(c),putchar(getchar());
            else if (c == '\"') mode = DEFAULT, putchar(c);
            else putchar(c);
            break;
        }
    }
}