import fs from 'node:fs';


const file = fs.readFileSync('./2025/inputs/5').toString();
const [strRanges, strIngredients] = file.split("\n\n").map(e => e.split("\n"))
const ingredients = strIngredients.map(Number)
const ranges = strRanges.map(e => {
    const [min, max] = e.split("-")
    return [Number(min), Number(max)]
})

let count = 0
for (const i of ingredients) {
    const fresh = ranges.some(([min, max]: number[]) => {
        return (i >= min && max >= i)
    })
    if (fresh) {
        count++
    }
}

console.log(count)