//忘了是什么题= =

 

#include
     
      #include
      
        #include
       
        #include
        
         using namespace std;bool cmp(int a,int b){     return a>b;}int main(void){    int n,i,j,k,l,m,len,flag,c[20];    char ch[20];    while(scanf("%d%s",&n,ch)!=EOF)    {         if(n==0&&strcmp(ch,"END")==0)             break;         flag=1;          len=strlen(ch);         for(i=0;i