#include<stdio.h>
#include<stdlib.h>
void DFS(int sour,int mat,int visited,int V) {
    printf("%d ",sour);
    visited[sour]=1;
    for(ii=0;i<V;i++){
        if(mat[sour][i]!=0 && visited[i]=0) {
            DFS(i,mat,visited,V);
        }
    }
}
int main() {
    int V,E,r,c,u,v,w,itr,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:",sour);
    DFS(mat,visited,sour,V);
    RETURN 0;
}