#include <stdio.h>
int main(void) {
int fahr, celcius;
int lower, upper, step;
lower = 0;
upper = 300;
step = 20;
fahr = lower;
while(fahr<=upper) {
celcius = 5*(fahr-32)/9;
printf("%d : %d\n", fahr
, celcius
); fahr=fahr+step;
}; // your code goes here
return 0;
}
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