ops = {
    '+': lambda x, y: x + y,
    '-': lambda x, y: x - y,
    '/': lambda x, y: x / y if y != 0 else 'undefined',
    '*': lambda x, y: x * y,
}
for sign, op in ops.items():
    for num1 in range(51):
        for num2 in range(51):
            text += f"if num1 == {num1} and sign == '{sign}' and num2 == {num2}:\n"\
                    f'    print("{num1}{sign}{num2} = {op(num1, num2)}")\n'

text += 'print("Thanks for using this calculator, goodbye :)")'
with open('MEGACALC.py', 'w') as file:
    file.write(text)

import operator
try:
 o = input(); a, b = map(int, [input(), input()]); op={'+': operator.add, '-': operator.sub, '*': operator.mul, '/': operator.truediv}.get(o, lambda a, b: raise ValueError("Fuck you, pick proper operator))(a, b)
except (ValueError, ZeroDivisionError) as e:
 print(e)