// editor2
#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[1]==0){
             DFS(i,mat,visited,V);
         }
     }
 }
int main(){
    int V,E,r,c,itr,u,v,w,sour;
    scanf("%d",&V);
    if(V<0){
        printf("Invalid input");
        retrun 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(int=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:",sour);
    DFS(sour,mat,visited,V);
    return 0;
}