f=open('32.txt')
f.readline()
a1=[]
a2=[]
a3=[]
for s in f.readlines():
    s = s.replace(',', '.').split()
    x, y = float(s[0]), float(s[1])
    if x < 3 and y < 4:
        a1.append((x, y))
    else:
        if x<5 and y>6:
            a2.append((x, y))
        else:
            a3.append((x, y))

sm1 = sm2 = sm3 = 10**10
x1=y1=x2=y2=x3=y3=0
for i in range(len(a1)):
    d_sm = 0
    for j in range(len(a1)):
        d_sm += ((a1[j][0] - a1[i][0])**2 + (a1[j][1] - a1[i][1])**2) ** 0.5

    if d_sm < sm1:
        x1 = a1[i][0]
        y1 = a1[i][1]
        sm1 = d_sm

for i in range(len(a2)):
    d_sm = 0
    for j in range(len(a2)):
        d_sm += ((a2[j][0] - a2[i][0])**2 + (a2[j][1] - a2[i][1])**2) ** 0.5

    if d_sm < sm2:
        x2 = a2[i][0]
        y2 = a2[i][1]
        sm2 = d_sm

for i in range(len(a3)):
    d_sm = 0
    for j in range(len(a3)):
        d_sm += ((a3[j][0] - a3[i][0])**2 + (a3[j][1] - a3[i][1])**2) ** 0.5

    if d_sm < sm3:
        x3 = a3[i][0]
        y3 = a3[i][1]
        sm3 = d_sm


Px = (x1+x2+x3)/3
Py = (y1+y2+y3)/3


print(int(Px*10000), int(Py*10000))