/*這是C++*/
#include<iostream> using namespace std; int main() { int x; while(cin >> x){ if(x==0){ return 0; } int f91; if(x<=100){ cout << "f91"<<"("<< x <<")"<<" = "<< "91" << endl; }else if(x>=101){ f91=x-10; cout << "f91""("<< x <<")"" = "<< f91 << endl; } } }