I,R,O=input,range,print
J=lambda:map(int,I().split())
N=int(I())
S="NUPC"
D=[]
for i in R(2):
	a=S[0]
	if i==1:a+=a
	for j in R(2):
		b=a+S[1]
		if j==1:b+=b
		for k in R(2):
			c=b+S[2]
			if k==1:c+=c
			for h in R(2):
				d=c+S[3]
				if h==1:d+=d
				D+=[d]
D.sort()
O(D[N-1])