def major_num(nums, size):
    m = {}
    for i in range(size):
        if nums[i] in m:
            m[nums[i]] += 1
        else:
            m[nums[i]] = 1
    for key in m:
        if m[key] > size / 2:
            print(key)
            break
    


#nums = [3,2,3] 
nums = [2,2,1,1,1,2,2]
n = len(nums)

major_num(nums, n)