Argentina President-elect Javier Milei promised swift measures to pull the economy out of a deep crisis, adding that he’s ready to welcome all those willing to join his efforts to restore the country’s prosperity.

“Today begins the rebuilding of Argentina,” he said from his bunker at a downtown Buenos Aires hotel, to chants of “Freedom! Freedom!”

He said that South America’s second-largest economy is “in critical condition” and there’s no room for gradual measures. The government will meet all of its commitments, he added, reading from prepared remarks.

Read More: Milei Rides 143% Inflation Fury to Win Argentina Presidency

Milei beat Economy Minister Sergio Massa by more than 11 percentage points in Sunday’s runoff election, winning a clear mandate to implement his radical economic proposals. Those include introducing the dollar as legal tender and shutting down the central bank, plans he didn’t mention during his brief speech.