# Tìm các giá trị

a = [3,5,2,5,3,6,4,5,2,5,2,5,3,5,5,3,2,4,35,345,342,12,53,12,43,52,2,2,2,2,4]
unique = []
# Step 1: Remove Duplicate
for item in a:
    if item not in unique:
        unique.append(item)
unique.sort()
unique_count = [0] * len(unique)

for i in range(len(unique)):
    for item in a:
        if unique[i] == item:
            unique_count[i] += 1

index_max = 0
for i in range(len(unique_count)):
    if unique_count[i] > unique_count[index_max]:
        index_max = i 
print(unique)
print(unique_count)
print(unique[index_max])