Heart Delivery

function heartDelivery(strArr) {
    let count = 0
    let path = strArr.shift().split('@').map(Number)
    while (strArr[0] !== 'Love!') {
        let [jump, index] = strArr[0].split(' ').map(Number)
        count += index
       if (count >= path.length) {
            count = 0
        }
        let number = path[count]
        if (number > 0) {
            path.splice(count, 1, number -= 2)
            if (number === 0) {
                console.log(`Place ${count} has Valentine's day.`)
            }
        } else if (number <= 0) {
            console.log(`Place ${count} already had Valentine's day.`)
        }
        strArr.shift()
    }
    let failed = path.filter(x => x > 0)
    if (strArr[0] === 'Love!')
        console.log(`Cupid's last position was ${count%path.length}.`)
    if (failed.length <= 0) {
        console.log(`Mission was successful.`)
    } else {
        console.log(`Cupid has failed ${failed.length} places.`)
    }
}