import random

def main():
    score = 0
    # x + y = z
    leveler = get_level()
    for i in range(10):
        tries = 0
        if leveler == 1:
            x = random.randint(1,9)
            y = random.randint(1,9)
        if leveler == 2:
            x = random.randint(10,99)
            y = random.randint(10,99)
        if leveler == 3:
            x = random.randint(100,999)
            y = random.randint(100,999)
        values = [x,y]
        correct_answer = generate_integer(values)
        while True:
            print(x,'+', y ,'=',end='')
            try:
                answer = int(input(' '))
                if answer==correct_answer:
                    score+=1
                    break
            except ValueError:
                pass
            else:
                while True:
                    print('EEE')
                    print(x,'+', y ,'=',end='')
                    try:
                        answer = int(input(' '))
                    except ValueError:
                        continue
                    if answer == correct_answer:
                        break
                    else:
                        continue
                break

    print(f'Score: {score}')
def get_level():
    while True:
        try:
            levels = int(input('Level: '))
        except ValueError:
            continue
        if levels in range(1,4):
            return levels
def generate_integer(aye):
    cor_answer = int(aye[0]) + int(aye[1])
    return cor_answer
if __name__ == "__main__":
    main()