import requests as req
import json

f = open('input.txt','r')
currencies={}
pricelist=[]

for line in f:
    currencies[line[0:line.find('\t')]]=line[line.find('\t')+1:len(line)-2]

f.close()

for i in currencies:
    responese = req.get('https://min-api.cryptocompare.com/data/price?fsym='+str(i)+'&tsyms=USD')
    pricelist.append(responese.json()['USD'])

values=[]
sumvalue=0
j=0
for i in currencies:
    values.append(float(currencies[i])*float(pricelist[j]))
    sumvalue+=values[j]
    j+=1
print (sumvalue*57)