comefrom: <awangdev>Power of Three_3.java
code: public boolean isPowerOfThree(int n) {
          while (n/3>=1){
              if (n%3!=0) return false;
              n/=3;
          }
          return n==1;
      }
masked: public boolean var_0 ( int var_1 ) {
    while ( var_1 / 3 >= 1 ) {
      if ( var_1 % 3 != 0 ) return false ;
      var_1 /= 3 ;
    }
    return var_1 == 1 ;
  }
  