// editor3
#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,itr,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=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(sour,mat,visited,V);
            
        }
    
    return 0;
}