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