#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define BIBLE 5000000

int main (){
 int z;
 char *a, *b, *c, *x, *elka, *bible;

 elka=malloc(BIBLE);
 bible=elka;
 
 while(scanf("%c", bible)==1)
  bible++;

  bible=elka;

 while (1) {
  a=strstr(bible,"God");
  b=a;
  c=a;

 bible=a+1;
 if(a==NULL){
  break;
 }

 while (*b != 10) {
  b--;
 }
 
 b++;

 while(*c != '.') {
  c++;
 }

 x=(char *)malloc((c-b+2)*sizeof(char));

 strncpy(x,b,c-b+1);
 x[c-b+1]= '\0';

 printf("%s\n",x);

 free(x);
 }

 free(elka);

return 0;
}