def main(): N = int(input()) S = input() if N % 2 == 1: print("No") return p = [] q = [] for i in range(0, N): if i % 2 == 0: p.append(S[i]) else: q.append(S[i]) print("Yes") for i in range(0, len(p)): print(p[i], end='') print("") for i in range(0, len(q)): print(q[i], end='') print("") if __name__ == "__main__": main()