Backpacking

import sys

def main():

    A = int(input("Enter A \n"))
    B = int(input("Enter B \n"))
    
    total_hours = A + B 
    
    print(f'Teemu can backpack for {total_hours} hours')
    
if __name__ == "__main__":
    main()

Test 1

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "/box/input/code.py", line 14, in <module>
    main()
  File "/box/input/code.py", line 6, in main
    A = int(input("Enter A \n"))
ValueError: invalid literal for int() with base 10: '3 5'

Test 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "/box/input/code.py", line 14, in <module>
    main()
  File "/box/input/code.py", line 6, in main
    A = int(input("Enter A \n"))
ValueError: invalid literal for int() with base 10: '571335 750047\r'

Test 3

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "/box/input/code.py", line 14, in <module>
    main()
  File "/box/input/code.py", line 6, in main
    A = int(input("Enter A \n"))
ValueError: invalid literal for int() with base 10: '744471 719178\r'

Test 4

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "/box/input/code.py", line 14, in <module>
    main()
  File "/box/input/code.py", line 6, in main
    A = int(input("Enter A \n"))
ValueError: invalid literal for int() with base 10: '308833 436123\r'