main.py

import math
import sys


def solve(data: str) -> str:
    tokens = data.split()
    if not tokens:
        return ""
    it = iter(tokens)
    n = int(next(it))
    total_sheets = 0
    total_cost = 0.0
    best_name = ""
    best_sheets = -1
    best_cost = 0.0
    for _ in range(n):
        name = next(it)
        base_need = int(next(it))
        batches = int(next(it))
        waste_rate = int(next(it))
        unit_price = float(next(it))
        sheets = math.ceil(base_need * batches * (100 + waste_rate) / 100.0)
        cost = sheets * unit_price
        total_sheets += sheets
        total_cost += cost
        if sheets > best_sheets or (sheets == best_sheets and name < best_name):
            best_name = name
            best_sheets = sheets
            best_cost = cost
    return "\n".join(
        [
            f"total_sheets={total_sheets}",
            f"total_cost={total_cost:.2f}",
            f"max_item={best_name} {best_sheets} {best_cost:.2f}",
        ]
    )


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