#include <stdio.h>

int main(void) {
	int fahr, cels;
	int lower, upper, step;

	lower = 0;
	upper = 300;
	step = 20;

	fahr = lower;
	while (fahr <= lower) {
		cels = 5 * (fahr-32) / 9;
		printf("%d\t%d\n", fahr, cels);
		fahr = fahr + step;
	}
	return 0;
}