static int findPermutation ( int N , int M ) {
  int permutation = factorial ( N + M - 1 ) / ( factorial ( N ) * factorial ( M - 1 ) ) ;
  return permutation ;
}

static int findPermutation ( int N , int M ) { int permutation = factorial ( N + M - 1 ) / ( factorial ( N ) * factorial ( M - 1 ) ) ; return permutation ; }
(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: (binary_expression left: (method_invocation name: (identifier) arguments: (argument_list (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal)))) right: (parenthesized_expression (binary_expression left: (method_invocation name: (identifier) arguments: (argument_list (identifier))) right: (method_invocation name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (decimal_integer_literal))))))))) (return_statement (identifier))))