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

def usiro_str(st,a):
	result = ""
	for i in range(a,len(st)):
		result = result + st[i]
	return result

def find_str(find_st,st):
	nums = 0
	for i in range(0,len(st)):
		if st[i] == find_st:
			nums = i
	return nums
	
print("UEC" + usiro_str(S,find_str("c",S) + 1))