#include <stdio.h>
int main(void) {
int i;
for (i = 1; i <= 20; i++) {
if (i % 15 == 0) {
} else if (i % 3 == 0) {
} else if (i % 5 == 0) {
} else {
}
}
for (i = 1; i <= 20; i++) {
if (!(i % 3))
if (!(i % 5))
if ((i % 5) && (i % 3))
}
return 0;
}
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