<?php

$budget = intval(readline());

while (true){
    $itemSum = 0;
    $item = readline();
    if($item == "Stop"){
        break;
    }
    for ($i = 0; $i < strlen($item); $i++){
        $itemSum += intval($item[$i]);
    }
    $budget = $budget -  $itemSum;
    if($budget < 0){
        echo "Not enough money!";
        return;
    } else{
        echo "Item successfully purchased!";
    }

}
 echo "Money left: $budget";