#include<cstdio>
#include<vector>
using namespace std;
#define N 100001
vector<int> a[N];
int g[N],s[N],c[N]={-1},n,m,l=1,o,i,x,y,j;
int main()
{
	freopen("bfs.in","r",stdin),freopen("bfs.out","w",stdout),scanf("%d%d%d",&n,&m,&o);
	while(m--)
		scanf("%d%d",&x,&y),a[x].push_back(y);
	for(i=1;i<=n;i++)
		g[i]=a[i].size();
	for(c[o]=0,s[l]=o,i=1;i<=l;i++)
		for(j=0;j<g[s[i]];j++)
			if(c[a[s[i]][j]]==-1)
				s[++l]=a[s[i]][j],c[s[l]]=c[s[i]]+1;
	for(i=1;i<=n;i++)
		printf("%d ",c[i]);
}