function partyTime(input) {
    let indexOfParty = input.indexOf('PARTY');
    let vipList = [];
    let normalList = [];
    for (let i = 0; i < indexOfParty; i++) {
        let word = input[i];
        if (isNaN(word[0])) {
            normalList.push(input[i]);
        }
        else {
            vipList.push(input[i]);
        }
    }
    for (let i = indexOfParty + 1; i < input.length; i++) {
        if (vipList.includes(input[i])) {
            let index = vipList.indexOf(input[i]);
            vipList.splice(index, 1);
        }
        if (normalList.includes(input[i])) {
            let index = normalList.indexOf(input[i]);
            normalList.splice(index, 1);
        }

    }

    console.log(vipList.length + normalList.length);

    for (let name of vipList) {
        console.log(name);
    }
    for (let name of normalList) {
        console.log(name);
    }
}

    //let reader = process.openStdin();
//partyTime(['dublikat',
//    'dublikat',
//    'dublikat',
//    '9CQBGUeJ',
//    'PARTY',
//    'dublikat',
//    '9CQBGUeJ']);