#include <bits/stdc++.h>
#define for_auto(v) for(vector<int>::iterator it = v.begin(); it != v.end(); it++)

using namespace std;

ifstream fin("bfs.in");
ofstream fout("bfs.out");
int n, m, p, i, x, y;
int d[100002];
vector<int> a[100002];

static inline void Lee(int x) {
    queue<int> q;
    d[x] = 1;
    q.push(x);
    while(!q.empty()) {
        int curr = q.front();
        for_auto(a[curr]) {
            if(!d[*it]) {
                d[*it] = d[curr] + 1;
                q.push(*it);
            }
        }
        q.pop();
    }
}

int main() {
    fin >> n >> m >> p;
    for(i = 1; i <= m; i++) {
        fin >> x >> y;
        a[x].push_back(y);
    }
    Lee(p);
    for(i = 1; i <= n; i++) {
        if(d[i] == 0) fout << "-1 ";
        else fout << d[i] - 1 << " ";
    }

    return 0;
}