static long power ( long x , long y ) {
  long res = 1 ;
  x = x % p ;
  if ( x == 0 ) return 0 ;
  while ( y > 0 ) {
    if ( ( y & 1 ) == 1 ) res = ( res * x ) % p ;
    y = y >> 1 ;
    x = ( x * x ) % p ;
  }
  return res ;
}

static long power ( long x , long y ) { long res = 1 ; x = x % p ; if ( x == 0 ) return 0 ; while ( y > 0 ) { if ( ( y & 1 ) == 1 ) res = ( res * x ) % p ; y = y >> 1 ; x = ( x * x ) % p ; } return res ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (identifier)))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (return_statement (decimal_integer_literal))) (while_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (decimal_integer_literal))) consequence: (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (identifier))))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (identifier)))))) (return_statement (identifier))))