def decompress_string(S):
    T = ''
    for i in range(8):
        if i % 2 == 0:
            T += S[i]
        else:
            if S[i] == '2':
                T = T + T
    return T

def kth_smallest_string(K):
    compressed_strings = ['N1U1P1C1', 'N1U1P1C2', 'N1U1P2C1', 'N1U1P2C2', 'N1U2P1C1', 'N1U2P1C2', 'N1U2P2C1', 'N1U2P2C2', 
                          'N2U1P1C1', 'N2U1P1C2', 'N2U1P2C1', 'N2U1P2C2', 'N2U2P1C1', 'N2U2P1C2', 'N2U2P2C1', 'N2U2P2C2']
    decompressed_strings = [decompress_string(S) for S in compressed_strings]
    decompressed_strings.sort()
    return decompressed_strings[K-1]

K = int(input())
print(kth_smallest_string(K))