#include<stdio.h>
#include<stdlib.h>

void DFS(int sour,int **mat,int *visited,int V)
{
    scanf("%d",&sour);
    visited[sour=1];
    for(int i=0;i<V;i++)
    {
        if(mat[sour]!=0 && visited[i]==0)
        DFS(i,mat,visited,V);
    }
}
int main()
{
    int V,E,r,c,u,v,w,sour;
    scanf("%d",&V);
    if(V<0)
    {
        printf("Invalid input");
        return 0;
    }
    scanf("%d",&E);
    int *mat;
    int *visited;
    mat =(int **)malloc(V*sizeof(int*));
    for(r=1;r<=E;r++)
    mat[r]=(int*)malloc(V*sizeof(int*));
    {
        scanf("%d%d%d",&u,&v,&w);
        mat[u][V]=w;
    }
    scanf("%d",&sour);
    visited=(int*)malloc(V*sizeof(int));
    printf("DFS Traversal starting from vertex 0:%d");
    DFS(sour,mat,visited,V);
    return 0;
    
}