text: #include<iostream>
  using namespace std;
  void fahToCel(int f,int steps){
      for(;f<=300;f+=steps){
          int c = 5*(f-32)/9;
          cout<<f<<" "<<c<<endl;
      }
      return;
  }
  int main(){
      fahToCel(100,50);
      cout<<endl;
      fahToCel(200,10);
  }
  