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

#define search_obj "treeone"
#define replace_obj "forest"

int main()
{
    char str[101],temp[101];
    int count;
    int i;
    scanf("%s",str);
    for(count=0;str[count]!='\0';count++);
    
    
    
    
    return 0;
}