package main

import (
	"fmt"
	"strconv"
	"strings"
)

//type Test interface {
//}
//
//func condTest(cond *sync.Cond) {
//	cond.L.Lock()
//	cond.Wait()
//	fmt.Println("condTest")
//	cond.L.Unlock()
//}
//func chanTest(ch chan<- *Test) {
//
//}

func reverse(x int) int {
	neg := false
	if x < 0 {
		neg = true
		x = -x
	}
	s := fmt.Sprintf("%d", x)
	var sb strings.Builder
	for i := len(s) - 1; i >= 0; i-- {
		sb.WriteByte(s[i])
	}
	s = sb.String()
	var ans int32 = 0
	for c := range s {
		t, _ := strconv.ParseUint(string(s[c]), 10, 16)
		ans = ans*10 + int32(t)
	}
	if neg {
		ans = -ans
		x = -x
	}
	s1, s2 := fmt.Sprintf("%d", x), fmt.Sprintf("%d", ans)
	if neg {
		s1 = s1[1:]
		s2 = s2[1:]
	}
	if len(s1) != len(s2) {
		for len(s2) < len(s1) {
			s2 = "0" + s2
		}
	}
	for i := 0; i < len(s1); i++ {
		if s1[i] != s2[len(s2)-1-i] {
			return 0
		}
	}
	return int(ans)
}

//9646324351
//2147483648

func main() {
	fmt.Println(reverse(1534236469))
	//var x int = 16
	//var y any = x
	//if _, ok := y.(int); ok {
	//	fmt.Println(x)
	//}
	//if _, ok := y.(int32); ok {
	//	fmt.Println(x)
	//}
	//var mu sync.Mutex
	//sync.NewCond(&mu)
	//make(chan *Test, 6)
	//var wg sync.WaitGroup
	//wg.Add(1)
	//wg.Done()
	//var mu sync.Mutex
	//cond := sync.NewCond(&mu)
	//
	//go condTest(cond)
	//go condTest(cond)
	//
	//time.Sleep(time.Second * 2)
	//cond.L.Lock()
	//cond.Broadcast()
	//cond.L.Unlock()
	//time.Sleep(time.Second * 2)
}