kk=input() c=int(kk[0])*1+int(kk[2])*2+int(kk[3])*3+int(kk[4])*4+int(kk[6])*5+int(kk[7])*6+int(kk[8])*7+int(kk[9])*8+int(kk[10])*9 if kk[-1]=='X': a=10 else: a=int(kk[-1]) c=c % 11 kk1=kk[0:len(kk)-1] if c==a: print('Right') else: if c == 10: print(kk1,'X',sep='') else: print(kk1,str(c),sep='')