
typedef unsigned long long uint64_t ;
typedef signed long long int64_t ;

#ifndef INT64_MIN
# define INT64_MIN (-1-0x7fffffffffffffffll)
#endif

#ifndef INT64_MAX 
# define INT64_MAX 0x7fffffffffffffffll
#endif

#ifndef UINT64_MAX
# define UINT64_MAX 0xffffffffffffffffull
#endif
