# import sys; input = sys.stdin.buffer.readline
# sys.setrecursionlimit(10**7)
from collections import defaultdict
con = 10 ** 9 + 7; INF = float("inf")
import copy

def getlist():
	return list(map(int, input().split()))

#処理内容
def main():
	S1, T = input().split()
	time = 0
	for i in S1:
		if i == "X":
			time += 10
		elif i == "V":
			time += 5
		elif i == "I":
			time += 1

	T = int(T)
	time += T
	if time % 12 == 0:
		print("XII")
		return

	time %= 12
	ans = ""
	ans += int(time // 10) * "X"
	time = time % 10
	ans +=  int(time // 5) * "V"
	time = time % 5
	ans += time * "I"
	print(ans)


if __name__ == '__main__':
	main()