class WrapperClass {
  int abstract(int x) {
    if (x == 0) return 42;
    return abstract(x-1) + 1;
  }

  int as(int x) {
    if (x == 0) return 42;
    return as(x-1) + 1;
  }

  int assert(int x) {
    if (x == 0) return 42;
    return assert(x-1) + 1;
  }

  int async(int x) {
    if (x == 0) return 42;
    return async(x-1) + 1;
  }

  int await(int x) {
    if (x == 0) return 42;
    return await(x-1) + 1;
  }

  int break(int x) {
    if (x == 0) return 42;
    return break(x-1) + 1;
  }

  int case(int x) {
    if (x == 0) return 42;
    return case(x-1) + 1;
  }

  int catch(int x) {
    if (x == 0) return 42;
    return catch(x-1) + 1;
  }

  int class(int x) {
    if (x == 0) return 42;
    return class(x-1) + 1;
  }

  int const(int x) {
    if (x == 0) return 42;
    return const(x-1) + 1;
  }

  int continue(int x) {
    if (x == 0) return 42;
    return continue(x-1) + 1;
  }

  int covariant(int x) {
    if (x == 0) return 42;
    return covariant(x-1) + 1;
  }

  int default(int x) {
    if (x == 0) return 42;
    return default(x-1) + 1;
  }

  int deferred(int x) {
    if (x == 0) return 42;
    return deferred(x-1) + 1;
  }

  int do(int x) {
    if (x == 0) return 42;
    return do(x-1) + 1;
  }

  int dynamic(int x) {
    if (x == 0) return 42;
    return dynamic(x-1) + 1;
  }

  int else(int x) {
    if (x == 0) return 42;
    return else(x-1) + 1;
  }

  int enum(int x) {
    if (x == 0) return 42;
    return enum(x-1) + 1;
  }

  int export(int x) {
    if (x == 0) return 42;
    return export(x-1) + 1;
  }

  int extends(int x) {
    if (x == 0) return 42;
    return extends(x-1) + 1;
  }

  int extension(int x) {
    if (x == 0) return 42;
    return extension(x-1) + 1;
  }

  int external(int x) {
    if (x == 0) return 42;
    return external(x-1) + 1;
  }

  int factory(int x) {
    if (x == 0) return 42;
    return factory(x-1) + 1;
  }

  int false(int x) {
    if (x == 0) return 42;
    return false(x-1) + 1;
  }

  int final(int x) {
    if (x == 0) return 42;
    return final(x-1) + 1;
  }

  int finally(int x) {
    if (x == 0) return 42;
    return finally(x-1) + 1;
  }

  int for(int x) {
    if (x == 0) return 42;
    return for(x-1) + 1;
  }

  int Function(int x) {
    if (x == 0) return 42;
    return Function(x-1) + 1;
  }

  int get(int x) {
    if (x == 0) return 42;
    return get(x-1) + 1;
  }

  int hide(int x) {
    if (x == 0) return 42;
    return hide(x-1) + 1;
  }

  int if(int x) {
    if (x == 0) return 42;
    return if(x-1) + 1;
  }

  int implements(int x) {
    if (x == 0) return 42;
    return implements(x-1) + 1;
  }

  int import(int x) {
    if (x == 0) return 42;
    return import(x-1) + 1;
  }

  int in(int x) {
    if (x == 0) return 42;
    return in(x-1) + 1;
  }

  int inout(int x) {
    if (x == 0) return 42;
    return inout(x-1) + 1;
  }

  int interface(int x) {
    if (x == 0) return 42;
    return interface(x-1) + 1;
  }

  int is(int x) {
    if (x == 0) return 42;
    return is(x-1) + 1;
  }

  int late(int x) {
    if (x == 0) return 42;
    return late(x-1) + 1;
  }

  int library(int x) {
    if (x == 0) return 42;
    return library(x-1) + 1;
  }

  int mixin(int x) {
    if (x == 0) return 42;
    return mixin(x-1) + 1;
  }

  int native(int x) {
    if (x == 0) return 42;
    return native(x-1) + 1;
  }

  int new(int x) {
    if (x == 0) return 42;
    return new(x-1) + 1;
  }

  int null(int x) {
    if (x == 0) return 42;
    return null(x-1) + 1;
  }

  int of(int x) {
    if (x == 0) return 42;
    return of(x-1) + 1;
  }

  int on(int x) {
    if (x == 0) return 42;
    return on(x-1) + 1;
  }

  int operator(int x) {
    if (x == 0) return 42;
    return operator(x-1) + 1;
  }

  int out(int x) {
    if (x == 0) return 42;
    return out(x-1) + 1;
  }

  int part(int x) {
    if (x == 0) return 42;
    return part(x-1) + 1;
  }

  int patch(int x) {
    if (x == 0) return 42;
    return patch(x-1) + 1;
  }

  int required(int x) {
    if (x == 0) return 42;
    return required(x-1) + 1;
  }

  int rethrow(int x) {
    if (x == 0) return 42;
    return rethrow(x-1) + 1;
  }

  int return(int x) {
    if (x == 0) return 42;
    return return(x-1) + 1;
  }

  int set(int x) {
    if (x == 0) return 42;
    return set(x-1) + 1;
  }

  int show(int x) {
    if (x == 0) return 42;
    return show(x-1) + 1;
  }

  int source(int x) {
    if (x == 0) return 42;
    return source(x-1) + 1;
  }

  int static(int x) {
    if (x == 0) return 42;
    return static(x-1) + 1;
  }

  int super(int x) {
    if (x == 0) return 42;
    return super(x-1) + 1;
  }

  int switch(int x) {
    if (x == 0) return 42;
    return switch(x-1) + 1;
  }

  int sync(int x) {
    if (x == 0) return 42;
    return sync(x-1) + 1;
  }

  int this(int x) {
    if (x == 0) return 42;
    return this(x-1) + 1;
  }

  int throw(int x) {
    if (x == 0) return 42;
    return throw(x-1) + 1;
  }

  int true(int x) {
    if (x == 0) return 42;
    return true(x-1) + 1;
  }

  int try(int x) {
    if (x == 0) return 42;
    return try(x-1) + 1;
  }

  int typedef(int x) {
    if (x == 0) return 42;
    return typedef(x-1) + 1;
  }

  int var(int x) {
    if (x == 0) return 42;
    return var(x-1) + 1;
  }

  int void(int x) {
    if (x == 0) return 42;
    return void(x-1) + 1;
  }

  int while(int x) {
    if (x == 0) return 42;
    return while(x-1) + 1;
  }

  int with(int x) {
    if (x == 0) return 42;
    return with(x-1) + 1;
  }

  int yield(int x) {
    if (x == 0) return 42;
    return yield(x-1) + 1;
  }
}
