public static void main ( String args [ ] ) {
  FastReader sc = new FastReader ( ) ;
  PrintWriter out = new PrintWriter ( System . out ) ;
  int a , b , r , i , j ;
  String s ;
  a = sc . nextInt ( ) ;
  b = sc . nextInt ( ) ;
  r = sc . nextInt ( ) ;
  if ( 2 * r <= a && 2 * r <= b ) out . println ( "First" ) ;
  else out . println ( "Second" ) ;
  out . close ( ) ;
}

public static void main ( String args [ ] ) { FastReader sc = new FastReader ( ) ; PrintWriter out = new PrintWriter ( System . out ) ; int a , b , r , i , j ; String s ; a = sc . nextInt ( ) ; b = sc . nextInt ( ) ; r = sc . nextInt ( ) ; if ( 2 * r <= a && 2 * r <= b ) out . println ( " First " ) ; else out . println ( " Second " ) ; out . close ( ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier) dimensions: (dimensions))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list)))) (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)) declarator: (variable_declarator name: (identifier)) declarator: (variable_declarator name: (identifier)) declarator: (variable_declarator name: (identifier)) declarator: (variable_declarator name: (identifier))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (decimal_integer_literal) right: (identifier)) right: (identifier)) right: (binary_expression left: (binary_expression left: (decimal_integer_literal) right: (identifier)) right: (identifier)))) consequence: (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal)))) alternative: (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))