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#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <ctime>
#include <cmath>
#include <vector>
#include <algorithm>
#include <queue>
using namespace std;
struct nod
{
int x, y;
}nd, newNd;
int n, m, x, y, i, z, a[100005];
vector <int> v[100005];
vector <int>::iterator it;
queue <nod> q;
int main()
{
freopen("bfs.in", "r", stdin);
freopen("bfs.out", "w", stdout);
scanf("%d%d%d", &n, &m, &z);
while(m--)
{
scanf("%d%d", &x, &y);
v[x].push_back(y);
}
//for(i=1;i<=n;i++)
// a[i]=1<<30;
nd.y=z;nd.x=1;
q.push(nd);
while(!q.empty())
{
nd=q.front();
if(nd.x<a[nd.y]||a[nd.y]==0) a[nd.y]=nd.x;
for(it=v[nd.y].begin();it!=v[nd.y].end();it++)
{
x=*it;
if(a[x]==0||a[x]>nd.x+1)
{
newNd.y=x;
newNd.x=nd.x+1;
q.push(newNd);
}
}
q.pop();
}
for(i=1;i<=n;i++)
if(a[i]==1<<30) printf("-1 ");
else printf("%d ", a[i]-1);
return 0;
}