{
  "title": "Coin Piles",
  "category": "Introductory Problems",
  "slug": "coin-piles",
  "officialUrl": "https://cses.fi/problemset/task/1754",
  "level": "basic",
  "tags": ["math", "invariants"],
  "status": "solved",
  "order": 11,
  "summary": "Decide whether two piles can both be emptied when each move removes two coins from one pile and one coin from the other."
}