#include <bits/stdc++.h>
using namespace std;
const int N = 210;
string a[N]; //注意这里的是字符串数组！
int sum;
int main() {
    cin >> a[0];
    int n = a[0].size();//获取字符串的长度
    for (int i = 1; i < n; i++) cin >> a[i];
    printf("%d ", n);
    char c = '0';
    for (int i = 0; i < n; i++)
        for (int j = 0; j < n; j++)
            if (a[i][j] == c) sum++;
            else {
                printf("%d ", sum);
                if (c == '0') c = '1'; else c = '0';
                sum = 1;
            }
    //输出最后的个数
    printf("%d ", sum);
    return 0;
}