{ "error": "Provide roman numerals or numbers", "example": { "input": "/roman?input=xvii", "output": 17 }, "example2": { "input": "/roman?input=17", "output": "XVII" }, "possibleNumerals": { "I": 1, "V": 5, "X": 10, "L": 50, "C": 100, "D": 500, "M": 1000, "other": 0 }, "ideaBy": "LaserCat#5807" }