public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  long a = sc . nextInt ( ) ;
  long b = sc . nextInt ( ) ;
  long c = sc . nextInt ( ) ;
  if ( c == 0 ) System . out . println ( ( a == b ) ? "YES" : "NO" ) ;
  else System . out . println ( ( ( b - a ) % c == 0 && ( b - a ) / c >= 0 ) ? "YES" : "NO" ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; long a = sc . nextInt ( ) ; long b = sc . nextInt ( ) ; long c = sc . nextInt ( ) ; if ( c == 0 ) System . out . println ( ( a == b ) ? " YES " : " NO " ) ; else System . out . println ( ( ( b - a ) % c == 0 && ( b - a ) / c >= 0 ) ? " YES " : " NO " ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (field_access object: (identifier) field: (identifier)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (ternary_expression condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (string_literal) alternative: (string_literal))))) alternative: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (ternary_expression condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (identifier)) right: (decimal_integer_literal)) right: (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (identifier)) right: (decimal_integer_literal)))) consequence: (string_literal) alternative: (string_literal))))))))