package main

import (
	"fmt"
	"math"
	"math/big"
)

func main() {
	var n int
	_, _ = fmt.Scan(&n)

	mod := int64(math.Pow10(9)) + 7
	bi := Pow10Mod793(n)
	bi.Mul(bi, big.NewInt(12))
	bi.Sub(bi, big.NewInt(12))
	bi.Div(bi, big.NewInt(9))
	bi.Add(bi, big.NewInt(1))
	bi.Mod(bi, big.NewInt(mod))

	fmt.Println(bi.Int64())
}

func Pow10Mod793(n int) *big.Int {
	if n <= 1 {
		return big.NewInt(10)
	} else if n%2 == 1 {
		bi := Pow10Mod793(n - 1)
		bi.Mul(bi, big.NewInt(10))
		return bi
	} else {
		bi := Pow10Mod793(n / 2)
		bi.Mul(bi, bi)
		return bi
	}
}