package main

import (
	"fmt"
)

const Y = 201
const offset = 100

func main() {
	var s string
	if _, err := fmt.Scan(&s); err != nil {
		return
	}

	n := make([]int, 65)
	for i := 0; i < len(s); i++ {
		n[i] = int(s[len(s)-1-i] - '0')
	}

	var dp [Y][Y]int64
	var next_dp [Y][Y]int64

	for i := 0; i < Y; i++ {
		for j := 0; j < Y; j++ {
			dp[i][j] = 1e18
		}
	}

	for y1 := 0; y1 < Y; y1++ {
		dp[offset][y1] = 0
	}

	for i := 0; i < 63; i++ {
		for j := 0; j < Y; j++ {
			for k := 0; k < Y; k++ {
				next_dp[j][k] = 1e18
			}
		}

		for y_i := 0; y_i < Y; y_i++ {
			for y_i1 := 0; y_i1 < Y; y_i1++ {
				if dp[y_i][y_i1] >= 1e15 {
					continue
				}
				xi := int64(n[i]) + int64(10*(y_i1-offset)) - int64(y_i-offset)
				for y_i2 := 0; y_i2 < Y; y_i2++ {
					xi1 := int64(n[i+1]) + int64(10*(y_i2-offset)) - int64(y_i1-offset)
					diff := xi - xi1
					if diff < 0 {
						diff = -diff
					}
					cost := diff * int64(i+1)

					if dp[y_i][y_i1]+cost < next_dp[y_i1][y_i2] {
						next_dp[y_i1][y_i2] = dp[y_i][y_i1] + cost
					}
				}
			}
		}

		for j := 0; j < Y; j++ {
			for k := 0; k < Y; k++ {
				dp[j][k] = next_dp[j][k]
			}
		}
	}

	fmt.Println(dp[offset][offset])
}