#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;
                putchar(c);
            } 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 == '*' && 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;
        }
    }
}