from collections import deque
from typing import Iterable, Reversible


def read_numbers() -> list[int]:
    return list(map(int, input("A=").split()))

def get_modified_sequence(numbers: Reversible[int]) -> Iterable[int]:
    stack: deque[int] = deque()
    result: deque[int] = deque()
    for number in reversed(numbers):
        while stack:
            if stack[-1] >= number:
                result.appendleft(stack[-1])
                break
            stack.pop()
        else:
            result.appendleft(0)
        stack.append(number)
    return result

def print_sequence(sequence: Iterable[int]) -> None:
    print(f"A={' '.join(map(str, sequence))}")

print_sequence(get_modified_sequence(read_numbers()))