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#include<iostream>
#include<cstdio>
#include<cstring>
using namespace std;
const int MAXN=1e5+10;
char str[MAXN];
int l[MAXN],lcnt;
int r[MAXN];
int main(){
    cin.sync_with_stdio(false);
    scanf("%s", 1+str);
    lcnt=0;
    memset(r,-1,sizeof(r));
    for(int i=1;str[i];i++){
        if(str[i]=='('){
            l[lcnt++]=i;
        }else{
            r[l[--lcnt]]=i;
        }
    }
    for(int i=1;str[i];i++){
        if(-1!=r[i]){
            printf("%d %d\n",i,r[i]);
        }
    }
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