function happyTrain(capacity, arrPassangers) {
   let train= [];

    let totalPassNoSeats = 0;
    let overPassangersPerThisWagon = 0;
    let freeSeatsPerThisWagon = 0;

    for (let i = 0; i < arrPassangers.length; i++) {

        // train[i] = 0;

        // Пълним влакчето
        let pass = arrPassangers[i];
        if (pass === capacity) {
            train[i] = pass;
        } else if (pass < capacity) {
            train[i] = pass
            if (totalPassNoSeats > 0) {
                freeSeatsPerThisWagon = capacity - pass;
               totalPassNoSeats -= freeSeatsPerThisWagon;
               train[i] = pass + freeSeatsPerThisWagon;
            }

        }else {
            overPassangersPerThisWagon = pass - capacity;
            totalPassNoSeats += overPassangersPerThisWagon
            train[i] = capacity;
        }

    }

         let sumArrPassangers = arrPassangers.reduce((a,b) => a + b);
         let trainSum = train.reduce((a,b)=> a + b);

    console.log(train);
    if(sumArrPassangers <= trainSum){
       console.log('All passengers aboard');

    }else{

        console.log(`Could not fit ${totalPassNoSeats} passengers`);
    }
}