#(#(#((##((()))(((#)(#()#(((()()(()#(##(((()(((()))#(((((()(((((((()#((#((()(#(((()(()##(()(((()((#(
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 (())((((#)
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-1
 -1
 -1
 1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
 3
 -1
 -1
 -1
 -1
 -1
 1
1
1
5
 1
1
1
1
 1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
 -1
 -1
 -1
 -1
 1
1
3
 -1
 -1

//package com.company;

import java.io.*;
import java.util.*;

public class Main {
    public static class Task {

        public void solve(Scanner sc, PrintWriter pw) throws IOException {
            String s = sc.next();
            int n = s.length();
            int cnt = 0;
            int hasht = 0;
            for (int i = 0; i < n; i++) {
                if (s.charAt(i) == '(') {
                    cnt++;
                } else if (s.charAt(i) == ')') {
                    cnt--;
                    if (cnt < 0) {
                        pw.println(-1);
                        return;
                    }
                } else {
                    hasht++;
                    cnt--;
                    if (cnt < 0) {
                        pw.println(-1);
                        return;
                    }
                }
            }
            int bcnt = 0;
            for (int i = n - 1; i >= 0; i--) {
                if (s.charAt(i) == ')') {
                    bcnt++;
                } else if (s.charAt(i) == '(') {
                    bcnt--;
                    if (bcnt < 0) {
                        pw.println(-1);
                        return;
                    }
                } else {
                    break;
                }
            }
            for (int i = 0; i < hasht - 1; i++) {
                pw.println(1);
            }
            pw.println(cnt + 1);

        }
    }

    static long TIME_START, TIME_END;

    public static void main(String[] args) throws IOException {
        Scanner sc = new Scanner(System.in);
//        Scanner sc = new Scanner(new FileInputStream("input"));
        PrintWriter pw = new PrintWriter(new BufferedOutputStream(System.out));
//        PrintWriter pw = new PrintWriter(new FileOutputStream("output"));


        Runtime runtime = Runtime.getRuntime();
        long usedMemoryBefore = runtime.totalMemory() - runtime.freeMemory();
        TIME_START = System.currentTimeMillis();
        Task t = new Task();
        t.solve(sc, pw);
        TIME_END = System.currentTimeMillis();
        long usedMemoryAfter = runtime.totalMemory() - runtime.freeMemory();
        pw.close();
        System.err.println("Memory increased: " + (usedMemoryAfter - usedMemoryBefore) / 1000000);
        System.err.println("Time used: " + (TIME_END - TIME_START) + ".");
    }

    static class Scanner {
        StringTokenizer st;
        BufferedReader br;

        public Scanner(InputStream s) {
            br = new BufferedReader(new InputStreamReader(s));
        }

        public Scanner(FileReader s) throws FileNotFoundException {
            br = new BufferedReader(s);
        }

        public String next() throws IOException {
            while (st == null || !st.hasMoreTokens())
                st = new StringTokenizer(br.readLine());
            return st.nextToken();
        }

        public int nextInt() throws IOException {
            return Integer.parseInt(next());
        }

        public long nextLong() throws IOException {
            return Long.parseLong(next());
        }

        public String nextLine() throws IOException {
            return br.readLine();
        }

        public double nextDouble() throws IOException {
            return Double.parseDouble(next());
        }

        public boolean ready() throws IOException {
            return br.ready();
        }
    }
}