#include <stdio.h>

int main(void) {
	// your code here
	int tc;
	scanf("%d",&tc);
	for(int i=0;i<tc;i++)
	{
		int n;
		scanf("%d",&n);
		unsigned long long int diff=0,a[n];
		for(int j=0;j<n;j++)
			scanf("%llu",&a[j]);

		for(int j=0;j<n;j++)
			diff=a[j]-diff;

		if(diff==0)
			printf("YES\n");

		else
			printf("NO\n");


	}

return 0;

}