WA on Buzzwords

import random
import string

A, B = [int(x) for x in input().split()]

size = 5
tab_str = []
for i in range(1000//6):
    str_test = ''.join(random.choices(string.ascii_uppercase, k=size))
    tab_str.append(str_test)
    tab_str.append(' ')

tab_str.pop()
print(''.join(random.choices(string.ascii_uppercase, k=size)))
print(1)
print(''.join(random.choices(string.ascii_uppercase, k=size)))

Test 1

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 4, in <module>
    A, B = [int(x) for x in input().split()]
ValueError: not enough values to unpack (expected 2, got 1)