# coding: utf-8
from math import *

def getSumOfLastDigits(numList):
	number = ""
	#length = 0
	total = 0
	for i in numList:
		number = str(i)
		#length = int(len(number)-1)
		#total += int(number[length:])
		total += int(number[-1])
	print total

getSumOfLastDigits([2,4,13,25,114,345,1238])