My ans is not same as that of the table

[sarthaks03 (Sarthak Sharma)]

#include
using namespace std;

int main(){
int f = 0;
int c;

while (f<=300){
	c = (5*(f - 32))/9;
	f = f + 20;
	cout<<f<<" "<<c <<endl;
}


return 0;

}