ISBN 号码

#include <bits/stdc++.h>
using namespace std;
char a1,a2,a3,a4,a5,a6,a7,a8,a9,a10,x;//建立变量
int sum,ys;
int main()
{
cin>>a1>>x>>a2>>a3>>a4>>x>>a5>>a6>>a7>>a8>>a9>>x>>a10;//输入
sum=(a1-'0')*1+(a2-'0')*2+(a3-'0')*3+(a4-'0')*4+(a5-'0')*5+(a6-'0')*6+(a7-'0')*7+(a8-'0')*8+(a9-'0')*9;//加加乘乘
ys=sum%11;//%掉
if(ysa10-'0'||ys10&&a10=='X') cout<<"Right";//判断+修改
else{
cout<<a1<<'-'<<a2<<a3<<a4<<'-'<<a5<<a6<<a7<<a8<<a9<<'-';
if(ys<10) cout<<ys;else cout<<'X';
}

return 0;

}