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#include <bits/stdc++.h>
using namespace std;
//ifstream in("bfs.in");
//ofstream out("bfs.out");
//#define cin in
//#define cout out
#define pb push_back
#define f first
#define s second
#define FOR(i, a, b) for(int i = a; i <= b; ++i)
typedef long long ll;
typedef long double lld;
typedef unsigned long long ull;
const ll INF = 1e6;
const lld pi = 3.14159265358979323846;
const ll mod = 1000000007;
const ll nmax = 1e5;
ll n, m, x, y, z, i, j, k, l, r, p;
ll v[nmax + 1];
ll a[nmax + 1];
//ll b[nmax + 1];
ll ans = 0, cnt = 0, maxim;
string s, t;
vector <int> edges[nmax + 1];
queue <int> q;
void BFS(){
int node;
while(!q.empty()){
node = q.front();
q.pop();
for(auto nb : edges[node]){
if(!a[nb]){
a[nb] = 1;
v[nb] = v[node] + 1;
q.push(nb);
}
}
}
}
void solve(int tc = 0){
cin >> n >> m >> p;
while(m--){
cin >> x >> y;
edges[x].pb(y);
}
memset(v, -1, sizeof(v));
v[p] = 0, a[p] = 1;
q.push(p);
BFS();
FOR(i, 1, n)
cout << v[i] << " ";
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int tc = 1;
//cin >> tc;
FOR(i, 1, tc)
solve(i);
}