#(#(#((##((()))(((#)(#()#(((()()(()#(##(((()(((()))#(((((()(((((((()#((#((()(#(((()(()##(()(((()((#(
 (#((((()
 (#((
 ((#)((#)((#)((#)((#)((#)((#)((#)((#)((#)((#)((#)((#)((#)((#)((##
 (())((((#)
 (#(
 (#))(#(#)((((#(##((#(#((((#(##((((((#((()(()(())((()#((((#((()((((#(((((#(##)(##()((((()())(((((#(((
 ##((((((()
 #((#
 #))))
 (((((#(#(#(#()
 ((#(()#(##
 (((((((((((((((((((###################
 )((##((###
 (((()#(#)(
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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.util.ArrayList;
import java.util.Arrays;
import java.util.Scanner;

public class MainC {
	MyScanner sc = new MyScanner();
	Scanner sc2 = new Scanner(System.in);
	final int MOD = 1000000007;
	int[] dx = { 1, 0, 0, -1 };
	int[] dy = { 0, 1, -1, 0 };

	void run() {
		String str = sc.next();
		int len = str.length();
		if (str.charAt(len - 1) == '(' || str.charAt(0) == ')') {
			System.out.println(-1);
			return;
		}
		ArrayList<Character> list = new ArrayList<Character>();
		int pos = 0;
		for (int i = 0; i < len; i++) {
			if (str.charAt(i) == '(') {
				list.add(str.charAt(i));
				pos = list.size() - 1;
			} else if (str.charAt(i) == ')') {
				if (pos != -1 && list.size() > pos) {
					list.remove(pos);
				}
				boolean find = false;
				for (int j = pos; j >= 0; j--) {
					if (list.size() > j) {
						if (list.get(j) == '(') {
							pos = j;
							find = true;
							break;
						}
					}
				}
				if (!find) {
					pos = -1;
				}
			} else {
				list.add(str.charAt(i));
			}
		}
		boolean judge = false;
		for (int i = 0; i < list.size(); i++) {
			if (list.get(i) != '#') {
				judge = true;
			}
		}
		int last = 0;
		for(int i=list.size()-1;i>=0;i--) {
			if(list.get(i) == '#') {
				last = i;
				break;
			}
		}
		if (!judge) {
			System.out.println(-1);
		} else {
			int c = 0;
			StringBuilder out = new StringBuilder();
			for (int i = 0; i < list.size(); i++) {
				if (list.get(i) == '(') {
					c++;
				} else {
					if (c == 0) {
						System.out.println(-1);
						return;
					}
					if (i == last) {
						out.append(c + "\n");
					} else {
						out.append(1 + "\n");
					}
					c--;
				}
			}
			System.out.print(out);
		}
	}

	public static void main(String[] args) {
		new MainC().run();
	}

	void debug(Object... o) {
		System.out.println(Arrays.deepToString(o));
	}

	void debug2(int[][] array) {
		for (int i = 0; i < array.length; i++) {
			for (int j = 0; j < array[i].length; j++) {
				System.out.print(array[i][j]);
			}
			System.out.println();
		}
	}

	boolean inner(int h, int w, int limH, int limW) {
		return 0 <= h && h < limH && 0 <= w && w < limW;
	}

	void swap(int[] x, int a, int b) {
		int tmp = x[a];
		x[a] = x[b];
		x[b] = tmp;
	}

	// find minimum i (a[i] >= border)
	int lower_bound(int a[], int border) {
		int l = -1;
		int r = a.length;

		while (r - l > 1) {
			int mid = (l + r) / 2;
			if (border <= a[mid]) {
				r = mid;
			} else {
				l = mid;
			}
		}
		// r = l + 1
		return r;
	}

	class MyScanner {
		int nextInt() {
			try {
				int c = System.in.read();
				while (c != '-' && (c < '0' || '9' < c))
					c = System.in.read();
				if (c == '-')
					return -nextInt();
				int res = 0;
				do {
					res *= 10;
					res += c - '0';
					c = System.in.read();
				} while ('0' <= c && c <= '9');
				return res;
			} catch (Exception e) {
				return -1;
			}
		}

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

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

		String next() {
			try {
				StringBuilder res = new StringBuilder("");
				int c = System.in.read();
				while (Character.isWhitespace(c))
					c = System.in.read();
				do {
					res.append((char) c);
				} while (!Character.isWhitespace(c = System.in.read()));
				return res.toString();
			} catch (Exception e) {
				return null;
			}
		}

		int[] nextIntArray(int n) {
			int[] in = new int[n];
			for (int i = 0; i < n; i++) {
				in[i] = nextInt();
			}
			return in;
		}

		int[][] nextInt2dArray(int n, int m) {
			int[][] in = new int[n][m];
			for (int i = 0; i < n; i++) {
				in[i] = nextIntArray(m);
			}
			return in;
		}

		double[] nextDoubleArray(int n) {
			double[] in = new double[n];
			for (int i = 0; i < n; i++) {
				in[i] = nextDouble();
			}
			return in;
		}

		long[] nextLongArray(int n) {
			long[] in = new long[n];
			for (int i = 0; i < n; i++) {
				in[i] = nextLong();
			}
			return in;
		}
	}
}
