#include <string.h>
#include <stdio.h>
void scob ( char *s, int n);
int main ()
{
    int n;
    char s[20];
    gets (s);
    scob (s,n);
    puts (s);

}
void scob ( char *s, int n)
{
    char *p, *q;
    int r;
    p=s;
    while (r!=0)
    {
    if ( *p < '0' || *p > '9')
    {
        q = strchr (p, '\0');
        while ( q != (p-1))
        {
            *(q+1)=*q;
            q--;
        }
        strncpy (p, "(", 1);
        while (*p < '0' || *p > '9' && *p!='\0')
            {
                p++;
            }
             if (*p=='\0')
            {
            *(p+1)=*p;
            strncpy (p, ")",1);
            r=0;
            }
         q = strchr (p, '\0');
         while (q != (p-1))
        {
            *(q+1)=*q;
            q--;
        }
        strncpy (p, ")",1);
    }
    p++;
}
}