import time

def prime_number():
    result = '1'
    num = 2
    while len(result) <= 10000:
        is_dev = False
        for j in range(2, num):
            if num % j == 0:
                is_dev = True
        if not is_dev:
            result += str(num)

        num += 1
    return result[:10000]

def prime_number1(count_symbols):
    result = '1'
    num = 2
    while len(result) <= count_symbols:
        for j in range(2, num):
            if num % j == 0:
                break
        else:
            result += str(num)

        num += 1
    return result[:count_symbols]

start_time1 = time.time()
prime_number1(10000)
first = time.time() - start_time1



start_time1 = time.time()
prime_number()
second = time.time() - start_time1

print(first, second)