import random


def main():
   while True:
       try:
           leveler = int(get_level())
       except ValueError:
           continue
       if leveler in range(1,4):
           break
   score = 0
   # x + y = z
   for i in range(10):
       tries = 0
       question = generate_integer(leveler)
       correct_answer = question[0] + question[1]
       while True:
           print(question[0],'+',question[1],'=',end='')
           answer = input(' ')
           if answer.isnumeric():
               answer = int(answer)
               break
           else:
               print('EEE')
               tries +=1
               continue
       if answer == correct_answer:
           if tries < 1:
               score+=1
           continue
       else:
           while True:
               print('EEE')
               print(question[0],'+',question[1],'=',end='')
               answer = input(' ')
               if not answer.isnumeric():
                   continue
               answer = int(answer)
               if answer == correct_answer:
                   break
               else:
                   continue


   print(f'Score: {score}')

def get_level():
   level = input("Level: ")
   return level

def generate_integer(aye):
   if aye == 1:
       x = random.randint(1,9)
       y = random.randint(1,9)
   if aye == 2:
       x = random.randint(10,99)
       y = random.randint(10,99)
   if aye == 3:
       x = random.randint(100,999)
       y = random.randint(100,999)
   return (x,y)

if __name__ == "__main__":
   main()