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js

/**
 * @param {number} day
 * @param {number} month
 * @param {number} year
 * @return {string}
 */
var dayOfTheWeek = function(day, month, year) {
    const days = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday']
    return days[new Date(year, month - 1, day).getDay()]
};