public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  long a = sc . nextInt ( ) ;
  long b = sc . nextInt ( ) ;
  if ( a == b ) {
    System . out . println ( "infinity" ) ;
    return ;
  }
  long cont = 0 ;
  long semresto = a - b ;
  long meio = ( long ) ( Math . sqrt ( semresto ) + 1 ) ;
  for ( int i = 1 ;
  i < meio ;
  i ++ ) {
    if ( semresto % i == 0 ) {
      if ( i > b ) cont ++ ;
      if ( ( semresto / i ) != i && ( semresto / i ) > b ) cont ++ ;
    }
  }
  System . out . println ( cont ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; long a = sc . nextInt ( ) ; long b = sc . nextInt ( ) ; if ( a == b ) { System . out . println ( " infinity " ) ; return ; } long cont = 0 ; long semresto = a - b ; long meio = ( long ) ( Math . sqrt ( semresto ) + 1 ) ; for ( int i = 1 ; i < meio ; i ++ ) { if ( semresto % i == 0 ) { if ( i > b ) cont ++ ; if ( ( semresto / i ) != i && ( semresto / i ) > b ) cont ++ ; } } System . out . println ( cont ) ; }
(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)))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))) (return_statement))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (identifier)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (cast_expression type: (integral_type) value: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (decimal_integer_literal)))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal))) consequence: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (expression_statement (update_expression (identifier)))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (identifier)) right: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (identifier)))) consequence: (expression_statement (update_expression (identifier)))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))