N = int(input())
S = input()

if(len(S)%2 == 1):
    print("No")
    exit()

P = []
Q = []
for i in range(len(S)):
    if(i%2 == 0):
        P.append(S[i])
    else:
        Q.append(S[i])

print("Yes")
print("".join(P),"".join(Q))