#include<fstream>
#include<vector>
#include<queue>
using namespace std;
ifstream in("bfs.in");
ofstream out("bfs.out");
const int NMAX = 100000;

vector<int> v[NMAX + 5];
int n,m,sol[NMAX + 5];
queue<int> coada;

void read()
{

    in>>n>>m;
    int a,b;
    for(int i = 1 ; i <= n ; i++){
        in>>a>>b;
        v[a].push_back(b);
    }
    in.close();
}

void bfs()
{

    sol[1] = 1;
    coada.push(1);
    while(!coada.empty()){
        int k = coada.front();
        for(int i = 0 ; i < v[k].size() ; i++){
            if(!sol[v[k][i]]){
                sol[v[k][i]] = sol[k] + 1;
                coada.push(v[k][i]);
            }
        }
        coada.pop();
    }
}

void afis()
{

    for(int i = 1 ; i <= n ; i++)
        out<<sol[i]-1<<" ";
    out.close();
}

int main()
{

    read();
    bfs();
    afis();
    return 0;
}