#include<stdio.h>

coid DFS(int sour, int **mat, int *visited, int v){
    printf("%d",sour);
    visited[sour] = l;
    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,itr,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 =(iny*)malloc(V *sizeof(int));
        printf("DFS Traversal starting from vertex %d:",sour);
}