a=str(input())
cs=1
ans=0
f=0
for i in range(len(a)-1):
    if a[i]>='0' and a[i]<='9':
        ans+=int(a[i])*cs
        cs+=1
if (ans%11==int(a[len(a)-1])) or (ans%11==10 and a[len(a)-1]=='X'):
    print("Right")
    f=1
if f!=1:
    for i in range(len(a)-1):
        print(a[i],end='')
    print(ans%11)

#1,3,8AC,
#2,4,7,10RE,
#5,6,9RE