import sys
import string

line=sys.argv[1]
line=string.strip(line)
parts=string.split(line, 'm:')
m=int(parts[0])*60*1000
line=parts[1]
parts=string.split(line, '.')
s=parts[0]
if('s' in s):
 s=s[:-1]
s=int(s)*1000
print m+s