def my_split(string):
    num_List=[]
    for s in string[:len(string)-2]:
        try:
            num_List.append(int(s))
        except:
            pass
    return num_List,string[-1]

def get_tag(tList):
    Sum=0
    flag=1
    for t in tList:
        Sum+=t*flag
        flag+=1
    if Sum%11==10:
        return 'X'
    return str(Sum%11)

def get_trueString(numList,tag):
    string=""
    for i in range(len(numList)):
        string+=str(numList[i])
        if i==0 or i==3 or i==8:
            string+="-"
    string+=tag
    return string

if __name__=="__main__":
    string=input()
    numList,tag=my_split(string)
    Tag=get_tag(numList)
    if Tag==tag:
        print("Right",end="")
    else:
        print(get_trueString(numList,Tag),end="")