document.addEventListener('keypress', event => {
	const messengerWindow = document.querySelector('.messenger-main-window--open');

	if (messengerWindow) { return; }

	if (event.keyCode === 92) {
		const blockButton = document.querySelectorAll('.profile-userdropdown-button')[1];
		blockButton.click();

		const confirmButton = document.querySelector('.confirmationModal-action');
		confirmButton.click();
	}
});

.messenger-main-window {
	width: 1200px;
	height: 700px;
}