#include <iostream>
#include <cstdio>
#include <queue>
using namespace std;
const int N=1e5+5;
int n,m;
int head[N];
int nxt[N];
int to[N];
int tot=0;
int in[N];
int out[N];
int path[N];
inline void add(int x,int y)
{
nxt[++tot]=head[x];
head[x]=tot;
to[tot]=y;
}
queue<int> q;
inline int read()
{
char ch=getchar();
int x=0,f=1;
while((ch>'9'||ch<'0')&&ch!='-')
ch=getchar();
if(ch=='-')
{
f=-1;
ch=getchar();
}
while('0'<=ch&&ch<='9')
{
x=x*10+ch-'0';
ch=getchar();
}
return x*f;
}
int main()
{
int x,y;
cin>>n>>m;
for(int i=1;i<=m;i++)
{
x=read();
y=read();
add(x,y);
in[y]++;
out[x]++;
}
for(int i=1;i<=n;i++)
{
if(in[i]==0)
{
q.push(i);
path[i]=1;
}
}
//topo;
while(!q.empty())
{
int a=q.front();
q.pop();
for(int i=head[a];i;i=nxt[i])
{
int y=to[i];
in[y]--;
path[y]=path[a]+1;
if(in[y]==0)
{
if(out[y]==0)
{
continue;
}
q.push(y);
}
}
}
for(int i=1;i<=n;i++)
{
printf("%d\n",path[i]);
}
return 0;
}