size, node = map(int, input().split())
data = [list(map(int, input().split())) for _ in range(size)]


def get_nodes_list(graph):
    return [[neighbour for neighbour in range(len(row)) if row[neighbour]] for row in graph]


def make_dict(graph):
    nodes = get_nodes_list(graph)
    return {i: nodes[i] for i in range(len(nodes))}


def print_dict(graph):
    nodes = get_nodes_list(graph)
    [print("{:^3}".format(i), nodes[i]) for i in range(len(nodes))]


def dfs(graph, visited, node=0):
    n = len(graph)
    visited[node] = True
    print("we are at the ", node, "level")
    for i in range(n):
        if graph[node][i] and not visited[i]:
            print(node, i, "- getting deeper")
            dfs(data, visited, i)

visit_list = [False for _ in range(size)]
dfs(data, visit_list, node)
print("total: ", sum(visit_list))
print("here`s our graph: ")
print_dict(data)

# Их правда 4