#include <stdio.h>
#include <string.h>
#define MAX_LIMIT 200000

int IndexOf(char * str,char query){
for(int i = 0; i < strlen(str); i++){
if(str[i] == query){
return i;
}
}
return -1;
}

int main(void){
printf("Bir yazı giriniz: ");
char str[MAX_LIMIT];
fgets(str, MAX_LIMIT, stdin);
if(str == NULL){
return 0;
}
int first_bracket = IndexOf(str, '{');
int last_bracket = IndexOf(str,'}');
if(last_bracket == -1 || first_bracket == -1){
printf("Küme parantezlerini düzgün girmelisin!");
return 0;
}
char substr[last_bracket - first_bracket -1 ];
for(int i = 0; i < last_bracket - first_bracket - 1 ; i++){
substr[i] = str[i+first_bracket + 1];
}
printf("%s",substr);
return 0;
}