I=10i64**18
n,m=read_line.split.map(&.to_i)
d=(1..n).map{[I]*n}
n.times{|i|d[i][i]=0}
m.times{s,t,c=read_line.split.map(&.to_i64.pred);d[s][t]={d[s][t],c+1}.min}
n.times{|i|n.times{|j|n.times{|k|d[j][k]={d[j][k],d[j][i]+d[i][k]}.min}}}
n.times{|i|p (0...n).sum{|j|d[i][j]<I ?d[i][j]:0}}