# Task I:
# You will need your isPrime(x) function!

i = 1
while i <= 10:
    if isPrime(i):
        print(i, " is a prime.")
    else:
        print(i, " is not a prime.")
    i += 1

# for other tasks, you can mark lines with cursor
# and then use Edit -> Uncomment

# # Task II:
# step = 3
# term = 10
# target = 1000
# 
# j = 0
# sumOfTerms = 0
# while True:
#     j+=1
#     sumOfTerms += term
#     if sumOfTerms >= target :
#         break
#     term += step
# 
# print("You need to sum first ",
#       j,
#       " terms of this aritmetic progression to achieve sum ",
#       sumOfTerms )
# 
# # Task III:
# for i in range(99, 0, -4):
#     if i // 10 + i % 10 >= 11:
#         print(i , "'s digit sum is greter then 11")