func_code_string: #include <bits/stdc++.h>   using namespace std;   long long gcd(long long a, long long b) {     if (b == 0) return a;     return gcd(b, a % b);   }   long long lcm(long long a, long long b) { return a * b / gcd(a, b); }   struct custom_hash {     static uint64_t splitmix64(uint64_t x) {       x += 0x9e3779b97f4a7c15;       x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;       x = (x ^ (x >> 27)) * 0x94d049bb133111eb;       return x ^ (x >> 31);     }     size_t operator()(uint64_t x) const {       static const uint64_t FIXED_RANDOM =           chrono::steady_clock::now().time_since_epoch().count();       return splitmix64(x + FIXED_RANDOM);     }   };   mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());   inline int64_t random_long(long long l = LLONG_MIN, long long r = LLONG_MAX) {     uniform_int_distribution<int64_t> generator(l, r);     return generator(rng);   }   void __print(int x) { cerr << x; }   void __print(long x) { cerr << x; }   void __print(long long x) { cerr << x; }   void __print(unsigned x) { cerr << x; }   void __print(unsigned long x) { cerr << x; }   void __print(unsigned long long x) { cerr << x; }   void __print(float x) { cerr << x; }   void __print(double x) { cerr << x; }   void __print(long double x) { cerr << x; }   void __print(char x) { cerr <<      << x <<     ; }   void __print(const char *x) { cerr <<     << x <<    ; }   void __print(const string &x) { cerr <<     << x <<    ; }   void __print(bool x) { cerr << (x ?  true  :  false ); }   template <typename T, typename V>   void __print(const pair<T, V> &x) {     cerr <<  { ;     __print(x.first);     cerr <<  , ;     __print(x.second);     cerr <<  } ;   }   template <typename T>   void __print(const T &x) {     int f = 0;     cerr <<  { ;     for (auto &i : x) cerr << (f++ ?  ,  :   ), __print(i);     cerr <<  } ;   }   void _print() { cerr <<  ] n ; }   template <typename T, typename... V>   void _print(T t, V... v) {     __print(t);     if (sizeof...(v)) cerr <<  ,  ;     _print(v...);   }   const long long inf = 1e18;   const int32_t M = 1e9 + 7;   const int32_t MM = 998244353;   bool isPowerOfTwo(long long x) { return x && (!(x & (x - 1))); }   long long binpow(long long a, long long b, long long m) {     a %= m;     long long res = 1;     while (b > 0) {       if (b & 1) res = res * a % m;       a = a * a % m;       b >>= 1;     }     return res;   }   const int N = 2e6 + 1;   void solve() {     long long a, b;     cin >> a >> b;     long long target = a * b;     long long l = 0;     long long r = 1e6, mid, d;     bool k = false;     while (l <= r) {       mid = l + (r - l) / 2;       d = mid * mid * mid;       if (d == target) {         k = true;         break;       }       if (d < target) {         l = mid + 1;       } else {         r = mid - 1;       }     }     if (k == true && a % mid == 0 && b % mid == 0) {       cout <<  Yes             <<   n ;     } else {       cout <<  No             <<   n ;     }   }   signed main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     long long t = 1;     cin >> t;     while (t--) {       solve();     }     cerr <<   nTime elapsed:   << 1000 * clock() / CLOCKS_PER_SEC <<  ms n ;     return 0;   }   