static boolean productEqual ( int n ) {
  if ( n < 10 ) return false ;
  int prodOdd = 1 , prodEven = 1 ;
  while ( n > 0 ) {
    int digit = n % 10 ;
    prodOdd *= digit ;
    n /= 10 ;
    if ( n == 0 ) break ;
    digit = n % 10 ;
    prodEven *= digit ;
    n /= 10 ;
  }
  if ( prodEven == prodOdd ) return true ;
  return false ;
}

static boolean productEqual ( int n ) { if ( n < 10 ) return false ; int prodOdd = 1 , prodEven = 1 ; while ( n > 0 ) { int digit = n % 10 ; prodOdd *= digit ; n /= 10 ; if ( n == 0 ) break ; digit = n % 10 ; prodEven *= digit ; n /= 10 ; } if ( prodEven == prodOdd ) return true ; return false ; }
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