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#include <fstream>
#include <vector>
#define NMax 50005
#define oo 1<<30
using namespace std;
ifstream fin("dijkstra.in");
ofstream fout("dijkstra.out");
int N,NHeap,M,D[NMax],H[NMax],Poz[NMax];
vector <pair <int, int> > G[NMax];
void Read()
{
fin>>N>>M;
for(int i=1;i<=M;i++)
{
int x,y,c;
fin>>x>>y>>c;
G[x].push_back(make_pair(y,c));
}
}
void Swap(int X, int Y)
{
swap(H[X],H[Y]);
swap(Poz[H[X]],Poz[H[Y]]);
}
void Sift(int X)
{
int Son=(X<<1);
if(Son+1<=NHeap && D[H[Son+1]]<D[H[Son]])
Son++;
if(Son<=NHeap && D[H[Son]]<D[H[X]])
{
Swap(Son,X);
Sift(Son);
}
}
void Percolate(int X)
{
int F=X>>1;
if(F && D[H[X]]<D[H[F]])
{
Swap(X,F);
Percolate(F);
}
}
void Delete()
{
Swap(1,NHeap);
NHeap--;
Sift(1);
}
void Dijkstra()
{
int i,j;
NHeap=N;
for(i=1;i<=N;i++)
{
H[i]=i;
Poz[i]=i;
}
for(i=2;i<=N;i++)
D[i]=oo;
for(i=1;i<=N;i++)
{
int P;
P=H[1];
Delete();
for(j=0;j<G[P].size();j++)
{
int Vecin=G[P][j].first,Cost=G[P][j].second;
if(D[Vecin]>D[P]+Cost)
{
D[Vecin]=D[P]+Cost;
Percolate(Poz[Vecin]);
}
}
}
}
void Print()
{
for(int i=2;i<=N;i++)
{
if(D[i]==oo)
D[i]=0;
fout<<D[i]<<" ";
}
fout<<"\n";
}
int main()
{
Read();
Dijkstra();
Print();
return 0;
}