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

void DFS(int sour,int **mat,int *visited,int V)
{
    printf("%d ",&sour);
    visited[sour]=1;
    for(int i=0;i<V;i++)
    {
        if(mat[sour][i]!=0 && visited[i]==0)
            DFS(i, mat, visited, V);
    }
}
int main() {
    int V,E,r,c,i,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=0;r<V;r++)
    mat[r] = (int**)malloc (V*sizeof(int));
    
    for(itr=1;itr<=E;itr++) 
    {
        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 %d: ");
    DFS(sour, mat, Visited, V);
    return 0;
    
}