#include<stdio.h> #include<iostream> #include<vector> #include<algorithm> #include<string> #include<string.h> using namespace std; typedef long long LL; typedef vector<int> VI; #define REP(i,n) for(int i=0, i##_len=(n); i<i##_len; ++i) #define EACH(i,c) for(__typeof((c).begin()) i=(c).begin(),i##_end=(c).end();i!=i##_end;++i) #define eprintf(...) fprintf(stderr, __VA_ARGS__) template<class T> inline void amin(T &x, const T &y) { if (y<x) x=y; } template<class T> inline void amax(T &x, const T &y) { if (x<y) x=y; } template<class Iter> void rprintf(const char *fmt, Iter begin, Iter end) { for (bool sp=0; begin!=end; ++begin) { if (sp) putchar(' '); else sp = true; printf(fmt, *begin); } putchar('\n'); } void MAIN() { int N; scanf("%d", &N); int s = 0, x = 0; REP (i, N) { scanf("%d", &x); s += x; s %= 3; } puts(s == 0? "Yes": "No"); } int main() { int TC = 1; scanf("%d", &TC); REP (tc, TC) MAIN(); return 0; }