Qustion1 = 4+4
x = int(input("inter your answer : "))
Qustion2 = 2*3
y = int(input("inter your answer : "))
Qustion3 = 5**3
z = int(input("inter your answer : "))
result1 = 1 if x==Qustion1 else result1 = 0
result2 = 1 if y==Qustion2 else result2 = 0
result3 = 1 if z==Qustion3 else result3 = 0
sum = result1 + result2 + result3
print(sum)