# coding: utf-8

def main():
    a,b = input().split(' ')
    time = {'I':1,'II':2,'III':3,'IIII':4,'V':5,\
            'VI':6,'VII':7,'VIII':8,'IX':9,'X':10,\
            'XI':11,'XII':12,'XII':0}
    keys = dict((v,k) for k, v in time.items())
    print(keys[(int(time[a]) + int(b)) % 12])

if __name__ == '__main__':
    main()