n = int(input("How Many times do you want this repeat?\n-> "))
count = 0
a = b = rem = 0

product = 1


for i in range (1, n + 1):
    try:
        print(f"Iteration {i} : ")
        a = int(input("Enter Number 1: "))
        b = int(input("Enter Number 2: "))
        print()
        product = a*b
        rem = product%10
        if rem == 0:
            count +=1
        else:
            continue
    except ValueError:
        print("Only Integers please!")


print(f"The Number of 0's in last places are {count}")