import Foundation

let numCountsLine = readLine()
let countsLine = readLine()!
let countStrings = countsLine.components(separatedBy: " ")
var counts: [(Int, Int)] = [(0, 1), (0, 2), (0, 3), (0, 4), (0, 5)]

for count in countStrings {
	guard let id = Int(count) else { continue }
	counts[id - 1].0 += 1
}

counts = counts.sorted { t1, t2 in
	if t1.0 == t2.0 { return t1.1 < t2.1 }
	return t1.0 > t2.0 
}
print("\(counts[0].1)")