#include <stdio.h>

int main(void)
{
    float fahr, celsius;

    fahr = 0;
    while (fahr <= 300) {
        celsius = (5 * (fahr - 32)) / 9;
        printf("%f\t%f\n", fahr, celsius);
        fahr = fahr + 20;
    }

    return 0;
}