def METHOD_NAME(evm: Evm) -> None:
    """
    Bitwise OR operation of the top 2 elements of the stack. Pushes the
    result back on the stack.
    Parameters
    ----------
    evm :
        The current EVM frame.
    """
    # STACK
    x = pop(evm.stack)
    y = pop(evm.stack)
    # GAS
    charge_gas(evm, GAS_VERY_LOW)
    # OPERATION
    push(evm.stack, x | y)
    # PROGRAM COUNTER
    evm.pc += 1