#include <stdio.h>intmain(int argc,char** argv) {char c =fgetc(stdin);int s =0;/* 0: not in supp, 1: in supp */while(!feof(stdin)) {if(c =='{')
s =1;if(s)fputc(c, stdout);if(c =='}') {fputc('\n', stdout);
s =0;}
c =fgetc(stdin);}fflush(stdout);return0;}