#include
#include
#include
using namespace std;
int d[500];
bool f(int tar,char c[]){
int len=strlen(c),flag=0;
char a[10]={'a'},b[10]={'a'};
for(int e=0;e
for(int h=0;h
if(e!=f&&e!=g&&e!=h&&e!=i&&f!=g&&f!=h&&f!=i&&
a[0]=c[e];a[1]=c[f];a[2]=c[g];a[3]=c[h];a[4]=c[i];
strcpy(b,a);
cout<<b<<endl;
}
int main(){
int tar;
char c[15];
for(int i=65;i<=90;i++)
while(cin>>tar>>c && tar!=0 &&
strcmp("END",c)!=0)
strcmp("END",c)!=0)
{
if(!f(tar,c))
}
}