left and right sum

function leftAndRightSum(input) {
    let n = Number(input[0]);
    let leftSum = 0;
    let rightSum = 0;
    for (let i = 1; i <= n; i++) {
        let num = Number(input[i]);
        leftSum += num;
    }
    for (let j = n + 1; j <= n * 2; j++) {
        let num = Number(input[j]);
        rightSum += num;
    }
    let diff = Math.abs(leftSum - rightSum)
    if (diff == 0) {
        console.log("Yes, sum = " + leftSum);
    } else {
        console.log("No, diff = " + diff);
    }
}

leftAndRightSum([2, 10, 90, 40, 60]);