#include <stdio.h>
int main(void)
{
int c = 0;
int n = 0;
char str[] = "30\0";
int res
= sscanf(str
,"%d %n", &c
, &n
);
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CiAKaW50IG1haW4odm9pZCkKewoJaW50IGMgPSAwOwogICAgaW50IG4gPSAwOwogICAgY2hhciBzdHJbXSA9ICIzMFwwIjsKICAgIGludCByZXMgPSBzc2NhbmYoc3RyLCIlZCAlbiIsICZjLCAmbik7CiAKICAgIHByaW50ZigiYyA9ICVkXG4iLCBjKTsKICAgIHByaW50ZigibiA9ICVkXG4iLCBuKTsKICAgIHByaW50ZigicmVzID0gJWRcbiIsIHJlcyk7CiAKCXJldHVybiAwOwp9Cg==