#include <cstdio>

#define file_in "bellmanford.in"
#define file_out "bellmanford.out"

#define Nmax 50100

int m,n,x[Nmax*3],y[Nmax*3],c[Nmax*3],i,d[Nmax*3];

int main()
{
	freopen(file_in,"r",stdin);
	freopen(file_out,"w",stdout);
	
	scanf("%d %d", &n, &m);
	
	for (i=1;i<=m;++i)
	{
		scanf("%d %d %d", &x[i], &y[i], &c[i]);
		if (x[i]==1)
			d[y[i]]=c[i];
	}
	
	
	for (i=2;i<=n;++i)
		 if (d[i]==0) d[i]=0x3f3f3f3f;
	
	int ok=1;
	while(ok)
	{
		ok=0;
		
		for (i=1;i<=m;++i)
			 if (d[y[i]]>d[x[i]]+c[i])
				 d[y[i]]=d[x[i]]+c[i],
				 ok=1;
	}
	
	for (i=1;i<=m;++i)
		 if (d[x[i]]+c[i]<d[y[i]])
		 {
			 printf("Ciclu negativ!\n");
			 return 0;
		 }
	
	for (i=2;i<=n;++i)
		 printf("%d ", d[i]);
	
	fclose(stdin);
	fclose(stdout);
	
	return 0;
	
}