#include <stdio.h>
main()

int fahr, celsius;
int lower, upper, step;

lower = -32;
upper = 300;
step = 20;

{
    fahr = lower;
    while (fahr <= upper) {
        celsius = 5 * (fahr-32) / 9;
        printf(“%d\t%d\n”, fahr, celsius);
        fahr = fahr + step;
    }


}