def count_elements(data):
        length=0
        for elt in data:
                length+=len(data[elt])
        return length
        
def copyData(s, d):
        d = {}
        for i in s:
                d[i]=[]
                for obs in s[i]:
                        d[i].append(obs)
                



def r_solution(data, K):
        return data