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/**
Breadth First Search
*/
#include <cstdio>
#include<iostream>
#include<fstream>
#include <vector>
#include <queue>
using namespace std;
vector <int> lv[100001];
queue <int> q;
bool used[100001];
int dmin[100001];
int main()
{
int n,m,st,x,y,i,nc,dist;
//FILE *f=fopen("bfs.in","r");
ifstream f("bfs.in");
//fscanf(f,"%d%d%d",&n,&m,&st);
f>>n>>m>>st;
for(i=1;i<=m;i++)
{
//fscanf(f,"%d%d",&x,&y);
f>>x>>y;
if(x!=y)
lv[x].push_back(y);
}
for(i=1;i<=n;i++)dmin[i]=-1;
dmin[st]=0;
used[st]=1;
q.push(st);
vector <int>::iterator ii;
while(!q.empty())
{
nc=q.front();
q.pop();
dist=dmin[nc];
for(ii=lv[nc].begin();ii!=lv[nc].end();++ii)
if(!used[*ii])
{
used[*ii]=1;
q.push(*ii);
dmin[*ii]=dist+1;
}
}
//fclose(f);
f.close();
//f=fopen("bfs.out","w");
ofstream f1("bfs.out");
for(i=1;i<=n;i++)
//fprintf(f,"%d ",dmin[i]);
f1<<dmin[i]<<" ";
return 0;
}