Hackerschool ftz level12

/* level12 */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
int main( void )
{
    char str[256];
    setreuid( 3093, 3093 );
    printf( "문장을 입력하세요.\n" ); gets( str );
    printf( "%s\n", str );
}