s=input()
a=int(s[0])*1+int(s[2])*2+int(s[3])*3+int(s[4])*4+int(s[6])*5+int(s[7])*6+int(s[8])*7+int(s[9])*8+int(s[10])*9
if s[12]=="X":
    if a % 11 ==10:
        print("Right")
    else:
        l = s[:12] + str(a % 11)
        print(l)
elif a%11==10:
    s[12]="X"
    l = s[:12] +"X"
    print(l)
elif a%11==int(s[12]):
    print("Right")
else:
    l=s[:12]+str(a%11)
    print(l)