func_code_string: #include <bits/stdc++.h>   inline int read() {     int n = 0, ch = getchar();     for (; !isdigit(ch); ch = getchar())       ;     for (; isdigit(ch); ch = getchar()) n = (n << 3) + (n << 1) + (ch ^ 48);     return n;   }   int main() {     int T = read();     while (T--) {       int ans[3] = {0, 0, 0};       int n = read();       while (n--) ++ans[read() % 3];       int A = ans[0];       if (ans[1] < ans[2])         A += ans[1] + (ans[2] - ans[1]) / 3;       else         A += ans[2] + (ans[1] - ans[2]) / 3;       printf( %d n , A);     }     return 0;   }   