#(#(#((##((()))(((#)(#()#(((()()(()#(##(((()(((()))#(((((()(((((((()#((#((()(#(((()(()##(()(((()((#(
 (#((((()
 (#((
 ((#)((#)((#)((#)((#)((#)((#)((#)((#)((#)((#)((#)((#)((#)((#)((##
 (())((((#)
 (#(
 (#))(#(#)((((#(##((#(#((((#(##((((((#((()(()(())((()#((((#((()((((#(((((#(##)(##()((((()())(((((#(((
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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

import java.io.InputStreamReader;
import java.io.IOException;
import java.io.BufferedReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.StringTokenizer;
import java.io.InputStream;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 */
public class Main {
	public static void main(String[] args) {
		InputStream inputStream = System.in;
		OutputStream outputStream = System.out;
		FastScanner in = new FastScanner(inputStream);
		PrintWriter out = new PrintWriter(outputStream);
		TaskA solver = new TaskA();
		solver.solve(1, in, out);
		out.close();
	}
}

class TaskA {
    public void solve(int testNumber, FastScanner in, PrintWriter out) {
		char[] s = in.next().toCharArray();
		int balance = 0;
		int k = 0;
		int last = 0;
		for (int i = 0; i < s.length; i++) {
			if (s[i] == '(') {
				++balance;
			} else if (s[i] == ')') {
				--balance;
			} else {
				--balance;
				last = k;
				++k;
			}
			if (balance < 0) {
				out.println(-1);
				return;
			}
		}
		int rem = balance;
		balance = 0;
		k = 0;
		for (int i = 0; i < s.length; i++) {
			if (s[i] == '(') {
				++balance;
			} else if (s[i] == ')') {
				--balance;
			} else {
				--balance;
				if (last == k) {
					balance -= rem;
				}
				++k;
			}
			if (balance < 0) {
				out.println(-1);
				return;
			}
		}
		if (balance != 0) {
			throw new AssertionError();
		}
		for (int i = 0; i < k - 1; i++) {
			out.println(1);
		}
		out.println(rem + 1);
    }
}

class FastScanner {

	private BufferedReader in;
	private StringTokenizer st;

	public FastScanner(InputStream stream) {
		in = new BufferedReader(new InputStreamReader(stream));
	}

	public String next() {
		while (st == null || !st.hasMoreTokens()) {
			try {
				st = new StringTokenizer(in.readLine());
			} catch (IOException e) {
				throw new RuntimeException(e);
			}
		}
		return st.nextToken();
	}

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

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

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

}

