def main():
    inp = int(input())
    inp2 = input()
    
    a = ""
    b = ""
    
    if inp % 2 == 1:
        print("No")
    else:
        for i in range(0, inp):
            if i % 2 == 1:
                a = a + inp2[i]
            else:
                b = b + inp2[i]                 
        print("Yes")
        print(b, a)
    
if __name__ == '__main__':
    main()