while(1)
{
Display(min,second);
anjian();
switch(second)
{
case 1:if(s==3000){LED=0;Delays(50000);LED=1;};
break;
case 2:if(s==1500|s==3000){LED=0;Delays(50000);LED=1;};
break;
case 3:if(s==1000|s==2000|s==3000){LED=0;Delays(50000);LED=1;};
break;
case 4:if(s==750|s==1500|s==2250|s==3000){LED=0;Delays(50000);LED=1;};
break;
case 5:if(s==600|s==1200|s==1800|s==2400|s==3000){LED=0;Delays(50000);LED=1;};
break;
case 6:if(s==500|s==1000|s==1500|s==2000|s==2500|s==3000){LED=0;Delays(50000);LED=1;};
break;
case 7:if(s==422|s==844|s==1300|s==1700|s==2100|s==2600|s==3000){LED=0;Delays(50000);LED=1;};
break;
case 8:if(s==375|s==750|s==1125|s==1500|s==1875|s==2250|s==2625|s==3000){LED=0;Delays(50000);LED=1;};
break;
case 9:if(s==335|s==670|s==1000|s==1335|s==1670|s==2000|s==2335|s==2670|s==3000){LED=0;Delays(50000);LED=1;};
break;
case 10:if(s==300|s==600|s==900|s==1200|s==1500|s==1800|s==2100|s==2400|s==2700|s==3000){LED=0;Delays(50000);LED=1;};
break;
case 11:if(s==275|s==550|s==825|s==1100|s==1375|s==1650|s==1925|s==2200|s==2475|s==2750|s==3000){LED=0;Delays(50000);LED=1;};
break;
case 12:if(s==250|s==500|s==750|s==1000|s==1250|s==1500|s==1750|s==2000|s==2250|s==2500|s==2750|s==3000){LED=0;Delays(50000);LED=1;};
break;
case 13:if(s==236|s==470|s==700|s==940|s==1180|s==1420|s==1660|s==1900|s==2140|s==2380|s==2620|s==2860|s==3000){LED=0;Delays(50000);LED=1;};
break;
case 14:if(s==214|s==428|s==642|s==870|s==1084|s==1298|s==1512|s==1726|s==1940|s==2154|s==2369|s==2583|s==2797|s==3000){LED=0;Delays(50000);LED=1;};
break;
case 15:if(s==200|s==400|s==600|s==800|s==1000|s==1200|s==1400|s==1600|s==1800|s==2000|s==2200|s==2400|s==2600|s==2800|s==3000){LED=0;Delays(50000);LED=1;};
break;
case 16:if(s==187|s==400|s==562|s==750|s==937|s==1125|s==1312|s==1500|s==1687|s==1875|s==2063|s==2250|s==2438|s==2625|s==2813|s==3000){LED=0;Delays(50000);LED=1;};
break;
case 17:if(s==176|s==352|s==529|s==706|s==882|s==1058|s==1235|s==1411|s==1588|s==1764|s==1941|s==2117|s==2294|s==2471|s==2647|s==2824|s==3000){LED=0;Delays(50000);LED=1;};
break;
case 18:if(s==166|s==333|s==500|s==666|s==833|s==1000|s==1166|s==1333|s==1500|s==1666|s==1833|s==2000|s==2166|s==2333|s==2500|s==2666|s==2833|s==3000){LED=0;Delays(50000);LED=1;};
break;
case 19:if(s==157|s==315|s==472|s==630|s==788|s==945|s==1103|s==1261|s==1418|s==1576|s==1734|s==1891|s==2049|s==2207|s==2364|s==2522|s==2680|s==2837|s==3000){LED=0;Delays(50000);LED=1;};
break;
case 20:if(s==150|s==300|s==450|s==600|s==750|s==900|s==1050|s==1200|s==1350|s==1500|s==1650|s==1800|s==1950|s==2100|s==2250|s==2400|s==2550|s==2700|s==2850|s==3000){LED=0;Delays(50000);LED=1;};
break;
}