""" Here is my coding space Caffeineholic ) ) ) ( ( ( ████╗ < 2 hot! ████║ ████╝ """ N = int(input()) S = list(input()) if N%2 == 0: P, Q = [S[i] for i in range(0,N-1,2)], [S[j] for j in range(1,N,2)] print('Yes') print("".join(P), "".join(Q)) else: print('No')