#include<stdio.h>
#include<stdlib.h>
typedef struct nodetype{
				int data;
				struct nodetype *link;
			}node;
void main()
{
	int dat,i=0,n;
	typedef node *list;
	list start,tail,temp,temp2;
	scanf(" %d",&n);
	scanf(" %d",&dat);
	tail=(list)malloc(sizeof(node));
	start=tail;
	tail->data=dat;
	tail->link=NULL;
	scanf(" %d",&dat);

	while(i!=n-1)
	{
		temp=(list)malloc(sizeof(node));
		temp->data=dat;
		tail->link=temp;
		temp->link=NULL;
		scanf(" %d",&dat);
		i++;
	}
	if(start->data%2==1)
		start=start->link;
	temp2=start;
	for(i=0;i<n;i++)
	{
		if((temp2->link->data)%2==1)
		{
			temp2->link=temp2->link->link;
		}
		temp2=temp2->link;
	}	
	printf("%d",start->data);
	start=start->link;
	while(start!=NULL)
	{
		printf("-%d",start->data);
		start=start->link;
	}
}