#include<iostream>
using namespace std;
#include<string.h>
#include<cmath>
int main()
{
	string test, str1;
	int n,l,i,flag,sum=0;
	cin >> str1;
	test = test + str1;
	n = test.length();
	
	for (i=1;i<n;i++)
	{
		cin >> str1;
		test = test + str1;

	}
	if (test[0]=='0')
	{
		flag = 0;
		//cout << "正确吗" << endl;
		sum++;
	}
	else
	{
		flag = 1;
		sum++;
	}
	cout << n << " ";
	for (i = 1;i < n * n;i++)
	{
		if (test[i] == '0' && flag == 0)
		{
			sum++;
			//cout << "第一个" << i<<endl;
		}
		else
		if (test[i] =='1' && flag == 0)
		{
			cout << sum<<" ";
			sum = 0;
			sum++;
			flag = 1;
		}
		else
		if (test[i] == '1' && flag == 1)
			sum++;
		else
		if (test[i] == '0' && flag == 1)
		{
			cout << sum<<" ";
			sum = 0;
			sum++;
			flag = 0;
		}
	}
	if (sum != 0)
		cout << sum;
	return 0;
}