public static void main ( String [ ] args ) {
  Scanner s = new Scanner ( System . in ) ;
  PrintWriter pw = new PrintWriter ( System . out ) ;
  long n = s . nextLong ( ) ;
  long k = s . nextLong ( ) ;
  long num = 1 ;
  for ( int j = 1 ;
  j <= k ;
  j ++ ) {
    num *= 10 ;
  }
  long ans = n * num / gcd ( n , num ) ;
  pw . print ( ans ) ;
  pw . close ( ) ;
}

public static void main ( String [ ] args ) { Scanner s = new Scanner ( System . in ) ; PrintWriter pw = new PrintWriter ( System . out ) ; long n = s . nextLong ( ) ; long k = s . nextLong ( ) ; long num = 1 ; for ( int j = 1 ; j <= k ; j ++ ) { num *= 10 ; } long ans = n * num / gcd ( n , num ) ; pw . print ( ans ) ; pw . close ( ) ; }
(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: (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: (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 (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier)))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))