#include <iostream>
#define nm 100001
using namespace std;
int c[nm], viz[nm], n,m;
vector <int> G[nm];

int main()
{
    int x,y,i,p,u,s;
    cin>>n>>n>>s;
    for(i=1;i<=m;i++)
       { cin>>x>>y;
        if(x!=y) G[x].push_back(y);
       }
    c[1]=s;
    viz[s]=1;
    p=u=1;
    while(p<=u)
    {
        z=c[p]; p++;
        for(i=0;i<G[z].size;i++)
        {
            y=G[z][i];
            if(viz[y]==0)
            {
                viz[y]=viz[z]+1;
                u++;
                c[u]=y;
            }
        }
    }
    for(i=1;i<=m;i++)
        fout<<viz[i]-1<<' ';
    return 0;
}