#include <stdio.h>
#include <stdlib.h>
#include <time.h>
int main(void) {
int a;
switch (a%10+1) {
case 1:
break;
case 2:
break;
case 3:
break;
case 4:
case 5:
case 6:
case 7:
case 8:
case 9:
case 10:
break;
}
return 0;
}
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