import random
M = random.randint(1,4)
arr = [random.randint(1,10) for i in range(M)]
a = 0
b = 0
n = 0
m = 0
for i in range(M):
arr[i] = input()
for i in range(M):
if int(arr[0]) < 0:
print("END")
break
elif i % 2 == 0:
b += -(int(arr[i]))
m += 1
elif i % 2 != 0:
a += (int(arr[i])) ** 2
n += 1
print("ΡΠΈΡΠ»Π° Ρ Π½Π΅ΡΡΡΠ½ΡΠΌΠΈ Π½ΠΎΠΌΠ΅ΡΠ°ΠΌΠΈ ΡΡΠΌΠΌΠΈΡΠΎΠ²Π°ΡΡ Ρ ΠΎΠ±ΡΠ°ΡΠ½ΡΠΌ Π·Π½Π°ΠΊΠΎΠΌ:" + str(b))
print("ΠΊΠΎΠ»ΠΈΡΠ΅ΡΡΠ²ΠΎ ΡΠ»Π°Π³Π°Π΅ΠΌΡΡ
: " + str(m))
print("ΡΠΈΡΠ»Π° Ρ ΡΡΡΠ½ΡΠΌΠΈ Π½ΠΎΠΌΠ΅ΡΠ°ΠΌΠΈ ΠΏΠ΅ΡΠ΅Π΄ ΡΡΠΌΠΌΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ Π²ΠΎΠ·Π²ΠΎΠ΄ΠΈΡΡ Π² ΠΊΠ²Π°Π΄ΡΠ°Ρ: " + str(a))
print("ΠΊΠΎΠ»ΠΈΡΠ΅ΡΡΠ²ΠΎ ΡΠΎΠΌΠ½ΠΎΠΆΠΈΡΠ΅Π»Π΅ΠΉ: " + str(n))