while True:
    try:
        b=input()
        a = b.split("-")
        
        total=int(a[0])*1+int(a[1][0])*2+int(a[1][1])*3+int(a[1][2])*4+int(a[2][0])*5+int(a[2][1])*6+int(a[2][2])*7+int(a[2][3])*8+int(a[2][4])*9
##        e=list(map(int,list("".join(a[:-1]))))
##        for i in range(9):
##            e[i]=e[i]*(i+1)
##        total=sum(e)%11
        total=total%11
##下面逻辑太差！！！繁琐
        if a[-1]=="X":
            if total==10:
                print("Right")
            else:
                print(b[:-1]+str(total))
        else:
            if a[-1]==str(total):
                print("Right")
            else:
                if total==10:
                    print(b[:-1]+"X")
                else:
                    print(b[:-1]+str(total))
    except EOFError:
        break