import java.io.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; public class Solution { static String canConstruct(int[] a) { int n = a.length; int s = 0; for(int i = 0; i< n; i++){ int t = a[i]; while(t != 0){ int rem = t %10 ; t = (t-rem)/10; s += rem; } s = s % 3; } if(s == 0) return "Yes"; return "No"; } public static void main(String[] args) { Scanner in = new Scanner(System.in); int t = in.nextInt(); for(int a0 = 0; a0 < t; a0++){ int n = in.nextInt(); int[] a = new int[n]; for(int a_i = 0; a_i < n; a_i++){ a[a_i] = in.nextInt(); } String result = canConstruct(a); System.out.println(result); } in.close(); } }