namespace;
include rt;
unchecked fn main() {
 int first_fd = 0, second_fd = 0;
 let first = rt.syscall(51, fn() { int value; rt.syscall(45, first_fd, &value, 1); return 0; } as word, &first_fd, 0);
 let second = rt.syscall(51, fn() { int value = 9; int result = rt.syscall(44, first_fd, &value, 1); rt.syscall(44, second_fd, &result, 1); return 0; } as word, &second_fd, 0);
 int result; rt.syscall(45, second_fd, &result, 1); rt.syscall(52, second, 0, 0);
 rt.put_n(result); rt.put_c(' '); rt.put_n(rt.syscall(52, first, 1, 0)); rt.put_c(10); return 0;
}