#include <bits/stdc++.h>
#define N 100005
using namespace std;

FILE * f= fopen("bfs.in","r");
FILE * g= fopen("bfs.out","w");

vector <int> G[N];

bool vizitat[N];
int distanta[N],n,m,sursa;

queue<int> q;

int main()
{
    int i;
    fscanf(f,"%d%d%d",&n,&m,&sursa);
    for(i=1; i<=m; i++)
    {
        int x,y;
        fscanf(f,"%d%d",&x,&y);
        G[x].push_back(y);
    }

    q.push(sursa);

    vizitat[sursa]=1;

    while(!q.empty())
    {
        int p=q.front();
        q.pop();
        for(auto it:G[p])
        if(!vizitat[it])
        {
            vizitat[p]=1;
            distanta[it]=distanta[p]+1;
            q.push(it);
        }
    }

    for(i=1; i<=n; i++)
        if(distanta[i]==0&&i!=sursa)
        fprintf(g,"-1 ");
        else
            fprintf(g,"%d ",distanta[i]);
}