#include<reg51.h>
#define uchar unsigned char
#define uint unsigned int
#define ulong unsigned long
sbit LED = P0^5;
sbit LED1 = P0^6;
sbit button1 = P2^0;
sbit button2 = P2^1;
sbit button3 = P2^2;
sbit button4 = P2^3;
sbit button5 = P2^4;
sbit button6 = P2^5;
sbit button7 = P2^6;
sbit button8 = P
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