static long modulo ( String num ) {
  long res = 0 ;
  for ( int i = 0 ;
  i < num . length ( ) ;
  i ++ ) res = ( res * 10 + ( long ) num . charAt ( i ) - '0' ) % mod ;
  return res ;
}

static long modulo ( String num ) { long res = 0 ; for ( int i = 0 ; i < num . length ( ) ; i ++ ) res = ( res * 10 + ( long ) num . charAt ( i ) - '0' ) % mod ; return res ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier))) body: (block (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: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) update: (update_expression (identifier)) body: (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (cast_expression type: (integral_type) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))) right: (character_literal))) right: (identifier))))) (return_statement (identifier))))