const fs = require('fs');

const inputArray = fs.readFileSync('input.txt').toString().split("\n");

// Part One
let totalCount = 0;

for (i in inputArray) {
  const contents = inputArray[i].split(",");
  const range1 = contents[0].split("-");
  const range2 = contents[1].split("-");
  if (
    (parseInt(range1[0]) >= parseInt(range2[0]) && parseInt(range1[1]) <= parseInt(range2[1]) && parseInt(range1[1]) <= parseInt(range2[1]))
    ||
    (parseInt(range2[0]) >= parseInt(range1[0]) && parseInt(range2[1]) <= parseInt(range1[1]) && parseInt(range2[1]) <= parseInt(range1[1]))
   ) {
    totalCount++
  }
}

console.log(totalCount);


// Part Two

totalCount = 0;

for (i in inputArray) {
  const contents = inputArray[i].split(",");
  const range1 = contents[0].split("-");
  const range2 = contents[1].split("-");
  if (
    (parseInt(range1[1]) >= parseInt(range2[0]) && parseInt(range1[1]) <= parseInt(range2[1]) && parseInt(range1[1]) <= parseInt(range2[1]))
    ||
    (parseInt(range2[1]) >= parseInt(range1[0]) && parseInt(range2[1]) <= parseInt(range1[1]) && parseInt(range2[1]) <= parseInt(range1[1]))
   ) {
    totalCount++
  }
}

console.log(totalCount);