#include<stdio.h>
#include<malloc.h>
int main()
{
char *p,*q;
}
I2luY2x1ZGU8c3RkaW8uaD4KI2luY2x1ZGU8bWFsbG9jLmg+CmludCBtYWluKCkKewpjaGFyICpwLCpxOwpwPShjaGFyICopbWFsbG9jKDI1KTsKcT0oY2hhciopIG1hbGxvYygyNSk7CnN0cmNweShwLCJhbWF6b24iICk7CnN0cmNweShxLCJoeWRcbiIpOwpzdHJjYXQocCxxKTsKcHJpbnRmKCIlcyIscCk7Cn0=