#include <stdio.h>

int main ()
{
	int mtr[200][200];
	int N;
	int  * ptr;
	
	for (int i=0; ;i++)
	{
		for (int j=0; ;j++)
		{
			int medium;
			medium = getchar() - 48;
			if (medium == 0 || medium == 1)
			mtr[i][j] = medium;
			else
			{
			N = j;
			break;
			}
	    }
	    if (i == N-1)
	    break;
	}
	
	int newmtr[N][N];
	for (int i=0;i<N;i++)
	{
		for (int j=0;j<N;j++)
		newmtr[i][j] = mtr[i][j];
	}
	
	printf ("%d ",N);
	
	ptr = &newmtr[0][0];
	while (1)
	{
		int count = 1;
		while (*ptr ^ *(ptr+1) == 0)
	    {
		count ++;
		ptr ++;
	    }
	    if (ptr + 1 > newmtr[0] + N*N - 1)
	    printf ("%d",count);
	    else
	    printf ("%d ",count);
	    
		ptr ++;
	    
	    if (ptr > newmtr[0] + N*N - 1)
	    break;
	}
	
	return 0;
}