import java.util.*;

public class no22{
    public static void main(String... args){
        Scanner scan = new Scanner(System.in);
        int n = scan.nextInt();
        int k = scan.nextInt();
        String s = scan.next();

        int a[] = new int[n];
        for(int i = 0; i < n; i++)
            a[i] = 0;

        int deep = 0,check=0,check_i=0,check_c;
        a[0] = deep;
        for(int i = 1; i < n; i++){
            
            if(s.charAt(i) != s.charAt(i-1)){
                a[i] = deep;
            }else{
                if(s.charAt(i) == '(')
                    deep++;
                else
                    deep--;

                a[i] = deep;
                if(i == k-1){
                    check = deep;
                    check_i = i;
                }
            }
        }

        int ans;
        for(ans = 0; ans < n; ans++){
            if(a[ans] == check && check_i != ans){
                System.out.println(ans+1);
            }
        }

    }
}