s=input()
t=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':
    m=10
else:
    m=int(s[12])
if t%11==m:
    print('Right')
else:
    if t%11!=10:
        print(s[:-1]+str(t%11))
    else:
        print(s[:-1]+'X')