#include<fstream.h>
#define u (1<<30)
int d[50100],a[251000],b[251000],c[251000];
int main()
{
	int i,m,n,ok,nr=0;
	ifstream f("bellmanford.in");
	ofstream g("bellmanford.out");
	f>>n>>m;
	for(i=1;i<=m;i++)
		f>>a[i]>>b[i]>>c[i];
	for(i=2;i<=n;i++)
		d[i]=u;
	ok=1;
	while(ok&&ok<=n+1)
	{
		ok=0;
		nr++;
		for(i=1;i<=m;i++)
			if(d[b[i]]>d[a[i]]+c[i])
			{
				ok=1;
				d[b[i]]=d[a[i]]+c[i];
			}
	}
	if(nr==n+1)
		g<<"Ciclu negativ";
	else
		for(i=2;i<=n;i++)
			g<<d[i]<<' ';
	return 0;
}