#include <stdio.h>
#include <stdlib.h>
#include <string.h>
struct stack
{
  struct stack *prev;
  struct stack *next;
  int l,r;//позиции скобок
}*head;
void push(struct stack*j)
{
    if(head==0)
        head = j;
    else {
        head->next = j;
        j->prev=head;
        head = j;
    }
}
void pop()
{
    if(head!=0)
    {
     head=head->prev;
     free(head->next);
     head->next = 0;
    }
    else
        return;
}
void vivod()
{
    struct stack *i;
    for(i=head;i!=0;i=i->prev)
        printf("(%d,%d)",i->l,i->r);
}
main(void)
{
    head = 0;
    char m[60];
    int *x,*y;
    int i=0;
    int g;
    int k,q,w;
    FILE *f;
    f = fopen("text.txt","r");
    fscanf(f,"%s",m);
    g = strlen(m);
    for(i=0;i<g;i++)
        if(m[i]='(')
           k++;
    x = (int*)(malloc(sizeof(int)*(k)));
    y = (int*)(malloc(sizeof(int)*(k)));
    for(i=0,q=0,w=0;i<g;i++)
        {if(m[i]=='(')
           x[q]=i, q++;
        if(m[g - i - 1]==')')
            y[w]= g - i - 1,w++;}
     for(i=0;i<k;i++)
     {
         struct stack*name = (struct stack*)(malloc(sizeof(struct stack)));
        name->l=x[i];
        name->r=y[i];
        name->next = 0;
        name->prev=0;
        push(name);

     }
vivod();
    return 0;
}