#include<stdio.h>
int main() {
int a;
switch(a) {
case 321 ... 331:
case 401 ... 419:
break;
case 420 ... 430:
case 501 ... 520:
break;
case 521 ... 531:
case 601 ... 621:
break;
case 622 ... 630:
case 701 ... 722:
break;
case 723 ... 731:
case 801 ... 822:
break;
case 823 ... 831:
case 901 ... 922:
break;
case 923 ... 930:
case 1001 ... 1023:
break;
case 1024 ... 1031:
case 1101 ... 1122:
break;
case 1123 ... 1130:
case 1201 ... 1221:
break;
case 1222 ... 1231:
case 101 ... 119:
break;
case 120 ... 131:
case 201 ... 218:
break;
case 219 ... 228:
case 301 ... 320:
break;
}
return 0;
}
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