#include <stdio.h>
#include <vector>
#define ma 100010
using namespace std;

vector <int> A[ma];
int C[ma],S[ma];
int n,m,s,i,x,y,q;

void bf(int nod)
{
	int i,j;
	for (i=1;i<=n;i++)
		C[i]=-1;
	q=1;
	C[nod]=0;
	S[q]=nod;
	for (i=1;i<=q;i++)
		for (j=0;j<A[S[i]].size();j++)
			if (C[A[S[i]][j]]==-1)
			{
				q++;
				S[q]=A[S[i]][j];
				C[S[q]]=C[S[i]]+1;
			}
}

int main()
{
	FILE * f;
	f=fopen("bfs.in","r");
	FILE * g;
	g=fopen("bfs.out","w");
	
	fscanf(f,"%d %d %d",&n,&m,&s);
	for (i=1;i<=m;i++)
	{
		fscanf(f,"%d %d",&x,&y);
		A[x].push_back(y);
	}
	bf(s);
	for (i=1;i<=n;i++)
		fprintf(g,"%d ",C[i]);
	fclose(f);
	fclose(g);
	return 0;
}