import java.util.Scanner;
public class Main {
	static int flag=0,cnt=0;
	public static void main(String[]args) {
		Scanner in=new Scanner(System.in);
		String s=in.next();
		int N=s.length();
		String[]str=new String[N];
		str[0]=s;
		for(int i=1;i<N;i++) {
			str[i]=in.next();
		}
		int[]arr=new int[N*N];
		for(int i=0;i<N*N;i++) {
			arr[i]=str[i/N].charAt(i%N)-48;
		}
		System.out.print(N+" ");
		for(int i=0;i<N*N;i++) {
			if(arr[i]==flag%2) {
				cnt++;
			}else {
				System.out.print(cnt+" ");
				cnt=1;
				flag++;
			}
		}
		if(cnt>0) {
			System.out.print(cnt);
		}
	}
}