#include <bits/stdc++.h>
#include <malloc.h>

using namespace std;

#define BUFFER_SIZE 12500000

char buffer[BUFFER_SIZE], *head = buffer, *writeHead = buffer, isDigit[255];

void initialize_parser()
{
    buffer[fread(buffer, 1, BUFFER_SIZE, stdin)] = 0;

    for(int i = 48; i < 58; ++i)
    {
        isDigit[i] = 1;
    }
}

__attribute__((always_inline)) int get_int()
{
    int number = 0;

    for(; !isDigit[*head]; ++head);

    for(; isDigit[*head]; ++head)

        number = number * 10 + (*head) - 48;

    return number;
}

__attribute__((always_inline)) void put_int(int x)
{
    if(x < 0)
    {
        *(writeHead++) = 45; *(writeHead++) = 49; *(writeHead++) = 32;

        return;
    }

    char *old = writeHead;

    while(x)
    {
        *(writeHead++) = x % 10 + 48;

        x /= 10;
    }

    reverse(old, writeHead);

    *(writeHead++) = 32;
}

int *Graph[100001], degree[100001], level[100001], u[1000001], v[1000001];

void BFS(int start)
{
    int queue[100001], left = 0, right = 0, *child;

    level[queue[0] = start] = 1;

    for(; left <= right; ++left)
    {
        for(child = Graph[queue[left]] + 1; *child != -1; ++child)
        {
            if(!level[*child])
            {
                queue[++right] = *child;

                level[*child] = level[queue[left]] + 1;
            }
        }
    }
}

int main()
{
    freopen("bfs.in", "r", stdin);
    freopen("bfs.out", "w", stdout);

    initialize_parser();

    int N = get_int(), M = get_int(), start = get_int();

    for(int i = 1; i <= M; i++)
    {
        u[i] = get_int(), v[i] = get_int();

        ++degree[u[i]];
    }

    for(int i = 1; i <= N; ++i)
    {
        Graph[i] = (int*)malloc((degree[i] + 2) * sizeof(int));

        Graph[i][degree[i] + 1] = -1;

        degree[i] = 0;
    }

    for(int i = 1; i <= M; i++)
    {
        Graph[u[i]][++degree[u[i]]] = v[i];
    }

    BFS(start);

    for(int i = 1; i <= N; i++)
    {
        put_int(level[i] - 1);
    }

    ///fwrite(outBuffer, 1, q, stdout);

    fwrite(buffer, 1, writeHead - buffer, stdout);

    return 0;
}