#include <stdio.h>
#include <string.h>
#include <stdlib.h>

int main (){

int j=1;
char *m,*p,*g,*k,*z,*c;

m=malloc(4500000);
if(m==NULL){
    printf("moc\n");
    return 0;
}

p=m;
while (scanf("%c",p)==1)p++;

p++;
*p=0;
p=m;

while(p!=NULL){
    g=strstr(p,"God");
    if(g==NULL)break;
    z=g;
    k=g;
    g++;
    p=g;

    while(*z!=10){
	z--;
    }

    while(1){
	k++;
	if(*k=='.')break;
    }
for(c=z;c<=k;c++)printf("%c",*c);
}
    printf("\n");



free(m);
return 0;
}