#include #include #include #include #include #include #include char* canConstruct(int a_size, int* a) { // Return "Yes" or "No" denoting whether you can construct the required number. int i,n,d,d1; for(i=n-1;i>=0;i--) { d=d+a[i]; d=d*10; } d1=printf("%d",d/10); if(d1%3==0) { return "Yes"; } else { return "No"; } } int main() { int t; scanf("%i", &t); for(int a0 = 0; a0 < t; a0++){ int n; scanf("%i", &n); int *a = malloc(sizeof(int) * n); for (int a_i = 0; a_i < n; a_i++) { scanf("%i",&a[a_i]); } int result_size; char* result = canConstruct(n, a); printf("%s\n", result); } return 0; }