S,T = input().split()
roma = ["I","II","III","IIII","V","VI","VII","VIII","IX","X","XI","XII"]
w = roma.index(S) + int(T)

while w > 13 or w < 0:
    if w > 13:
        w-=12
    elif w < 0:
        w+=12

print(roma[w])