#include <iostream>
using namespace std;
#include<algorithm>
#include<vector>
#include<string>
#include<math.h>
int main()
{
	vector<int> arr;
	char ch = 0;
	int n = 0, count = 0;
	while ((ch = getchar()) != '\n')
	{
		arr.push_back(ch - '0');
		n++;
	}
	for (int i = 0; i < n - 1; i++)
		while ((ch = getchar()) != '\n')
			arr.push_back(ch - '0');
	cout << n;
	arr.push_back(2);
	for (int i = 0; i < n * n; i++)
	{
		if (arr[i] == 0)
		{
			count++;
			if (arr[i + 1] == 1)
			{
				cout << " " << count;
				count = 0;
			}
			else if (arr[i + 1] == 2)
			{
				cout << " " << count;
				return 0; 
			}
		}
		if (arr[i] == 1)
		{
			count++;
			if (arr[i + 1] == 0)
			{
				cout << " " << count;
				count = 0;
			}
			else if (arr[i + 1] == 2)
			{
				cout <<  " " << count;
				return 0;
			}
		}
	}
	return 0;
}