def calm(a,b):
    return ((a[0]-b[0])**2+(a[1]-b[1])**2)**0.5

l = list(map(int,input().split(",")))
data = [[0,0]]
for i in range(0,len(l),2):
    data.append([l[i],l[i+1]])

ans = 0
for i in range(1,len(data)):
    ans+=calm(data[i-1],data[i])
print("%.2f"%ans)

def distance(a, b):
    x = abs(a[0] - b[0])
    y = abs(a[1] - b[1])
    dis = (x** 2 + y** 2)** 0.5
    return dis

point = [[0, 0]]
get = input()
get = list(map(int, get.split(',')))
num = len(get)// 2
for i in range(num):
    point.append([get[i* 2], get[i* 2 + 1]])

s = 0

for i in range(num):
    s = s + distance(point[i], point[i + 1])

print("%.2f" % s)