#include <stdio.h>

inline int min(int a, int b) {
	return a<b ? a : b;
}

int main(void) {
	int indexCor = 0;
	while ( indexCor != 20 ) {
		printf("%d -->", indexCor);
		printf("%d\n", min(indexCor++/2, 6));
	}
	return 0;
}