cisla = [int(_) for _ in input().split()]
#osetrime pripad, ak na zaciatku klesa
	#cisla.insert(0, float('inf')) #pridame nekonecno na zaciatok
cisla.insert(0, 1+cisla[0]) #pridame vacsie cislo na zaciatok
#osetrime pripad, ak na konci stupa
	#cisla.append(0) #pridame nulu na koniec
cisla.append(cisla[-1]-1) #pridame mensie cislo na koniec
 
for i in range(1, len(cisla)-1): # vsetky vnutorne cisla
	if cisla[i-1] > cisla[i] < cisla[i+1]: #lokalne minimum
		print("lokalne minimum/nakup: ", cisla[i])
	if cisla[i-1] < cisla[i] > cisla[i+1]: #lokalne maximum
		print("lokalne maximum/predaj: ", cisla[i])
 

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