// logical error
function findMaximum(a, b, c) {
  if (a > b && a > c) {
    return a;
  } else if (b > a && b > c) {
    return b;
  } else {
    return c;
  }
}

console.log(findMaximum(1, 2, 3)); // => 3
console.log(findMaximum(102, 59, 18)); // => 102
console.log(findMaximum(532, 532, 345)); // => 532