// editor3#include<stdio.h>

#include<stdio.h>
#define max 10
int n;
int visited[max];
int graph[max][max];
void dfs(int s){
    visited[s]=1;
    printf("%d ",s);
    for(int i=0;i<n;i++){
        if(graph[v][i] != 0 &&!visited[i]){
            dfs(i);
        }
    }
}
int main(){
    scanf("%d",&n);
    if(n<0){
        printf("Invalid input ");
        return 0;
    }
    int m;
    scanf("%d",&m);
    for(int i=0;i<n;i++){
        visited[i]=0;
        for(int j=0;j<n;j++){
            graph[i][j]=0;
            
        }
    }
    int v,e;
    for(int i=0;i<m;i++){
        scanf("%d %d",&v,&e);
        graph[v][e]=1;
        graph[e][v]=1;
        
    }
    int start;
    scanf(" %d ", &start);
    printf("DFS Traversal starting from vertex %d: ", start);
    dfs(start);
    return 0;
    
}