// No.964 2020
package main

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

func main() {
	var n int
	fmt.Scan(&n)
	var sb strings.Builder
	for i := 1; i <= n; i++ {
		for j := 0; j < n; j++ {
			sb.WriteString(strconv.Itoa(i % 10))
		}
	}
	fmt.Println(sb.String())
}