n=input().split('-')
k=''
ans=0
for i in range(3):
    k+=n[i]
for i in range(9):
    ans+=int(k[i])*(i+1)
ans=ans%11
if n[3]=='X':
    if ans==10:
        print('Right')
    else:
        print(n[0] + '-' + n[1] + '-' + n[2] + '-' + str(ans))
else:
    if int(n[3])==ans:
        print('Right')
    elif ans==10:
        print(n[0] + '-' + n[1] + '-' + n[2] + '-' + 'X')
    else:
        print(n[0] + '-' + n[1] + '-' + n[2] + '-' + str(ans))

re，哪里错了