s, t = input().split()
dic = {"I":1, "II":2, "III":3, "IIII":4, "V":5, "VI":6, "VII":7, "VIII":8, "IX":9, "X":10 , "XI":11, "XII":12}

s = dic[s]
t = int(t)
x = (s+t) % 12

if x == 0:
    print('XII')
else:
    key = [k for k, v in dic.items() if v == x][0]
    print(key)