#include<bits/stdc++.h>
using namespace std;ifstream f("bfs.in");ofstream g("bfs.out");vector<int>L[1<<17];int v[1<<17],c[1<<17],i,n,p,u,s,x,y,m;int main(){f>>n>>m>>s;for(i=1;i<=m;i++){f>>x>>y;L[x].push_back(y);}c[1]=s;v[s]=1;p=1;u=1;while(p<=u){for(auto a:L[c[p]])if(v[a]==0){u++;c[u]=a;v[a]=v[c[p]]+1;}p++;}for(i=1;i<=n;i++)g<<v[i]-1<<' ';}