S1,T=input().split()
T=int(T)
S1=(S1.count("I")+(S1.count("V")*5)+(S1.count("X")*10))
S2=(S1+T)%12
out=[]
if S2-10>=0:
    out+="X"
    S2-=10
if S2-5>=0:
    out+="V"
    S2-=5
while 1<=S2<5:
    out+="I"
    S2-=1
print("".join(out))