#!/usr/bin/env python
# -*- coding: utf-8 -*-
from flyingDist1 import distance


lat1 = input("what is the latitude of city 1")
long1 = input("what is de longitude of city 1")
lat2 = input("what is the latitude of city 2")
long2 = input("what is de longitude of city 2")

cleanlat1 = lat1.strip("°'")

if lat1.count(" ") == 2:
    latori1, latdeg1, latmin1 = cleanlat1.split()
else:
    latori1, latdeg1 = cleanlat1.split()
    latmin1 = 0
if latori1 == "E" or "S":
    latori1 = -1
elif latori1 == "N" or "W":
    latori1 = 1
else:
    latori1 = latori1


if long1.count(" ") == 2:
    longori1, longdeg1, longmin1 = long1.split()
else:
    longori1, longdeg1 = long1.split()
    longmin1 = 0
if longori1 == "E" or "S":
    longori1 = -1
elif longori1 == "N" or "W":
    longori1 = 1
else:
    longori1 = longori1


if lat2.count(" ") == 2:
    latori2, latdeg2, latmin2 = lat2.split()
else:
    latori2, latdeg2 = lat2.split()
    latmin2 = 0
if latori2 == "E" or "S":
    latori2 = -1
elif latori2 == "N" or "W":
    latori2 = 1
else:
    latori2 = latori2


if long2.count(" ") == 2:
    longori2, longdeg2, longmin2 = long2.split()
else:
    longori2, longdeg2 = long2.split()
    longmin2 = 0
if longori2 == "E" or "S":
    longori2 = -1
elif longori2 == "N" or "W":
    longori2 = 1
else:
    longori2 = longori2


latori1 = int(latori1)
latdeg1 = int(latdeg1)
latmin1 = int(latmin1)
longori1 = int(longori1)
longdeg1 = int(longdeg1)
longmin1 = int(longmin1)
latori2 = int(latori2)
latdeg2 = int(latdeg2)
latmin2 = int(latmin2)
longori2= int(longori2)
longdeg2= int(longdeg2)
longmin2 = int(longmin2)

dist = distance(latori1, latdeg1, latmin1, longori1, longdeg1, longmin1, latori2, latdeg2, latmin2, longori2, longdeg2, longmin2)
print(dist)