#include
#define uchar unsigned char
#define uint unsigned int
sbit k1=P3^5;
sbit k2=P3^6;
sbit k3=P3^4;
sbit k4=P3^3;
sbit k5=P3^2;
sbit rs=P2^0;
sbit rw=P2^1;
sbit ep=P2^2;
sbit led1 =P1^0;
sbit buzzer=P1^7;
uchar shuzi[11]={'0','1','2','3','4','5','6','7','8','9'};
uchar
day_tab[2][13]={{0,31,28,31,30,31,30,31,31,30,31,30,31},{0,31,29,3
1,30,31,30,31,31,30,31,30,31}};