main.py

import sys


def solve(data: str) -> str:
    tokens = list(map(int, data.split()))
    if not tokens:
        return ""
    it = iter(tokens)
    n = next(it)
    values = [next(it) for _ in range(n)]
    total = sum(values)
    if total % n != 0:
        return "possible=NO"
    target = total // n
    prefix_diff = 0
    moves = 0
    units = 0
    for index in range(n - 1):
        prefix_diff += values[index] - target
        if prefix_diff != 0:
            moves += 1
            units += abs(prefix_diff)
    return "\n".join(
        [
            "possible=YES",
            f"moves={moves}",
            f"units={units}",
        ]
    )


if __name__ == "__main__":
    sys.stdout.write(solve(sys.stdin.read()).strip())
    sys.stdout.write("\n")