func_code_string: #include <bits/stdc++.h>   using namespace std;   long long GCD(long long x, long long y) {     while (y != 0) {       long long t = x % y;       x = y;       y = t;     }     return x;   }   long long n, a, b;   long long cs;   bool calc() {     scanf( %lld %lld , &a, &b);     long long g = GCD(a, b);     long long p = a / g;     long long q = b / g;     long long pq = p * q;     bool ret = (g % pq == 0);     if (ret) {       long long r = g / pq;       long long i = 1;       while (i * i * i < r) {         i++;       }       if (i * i * i == r) return true;     }     return false;   }   int main() {     scanf( %lld , &n);     while (cs < n) {       cs++;       bool ans = calc();       if (ans)         printf( Yes n );       else         printf( No n );     }     return 0;   }   