using namespace std;
#include <iostream>
char f=178,e;
double a,b,c,d,g=0;
void la()
{cout<<endl;do{cout<<f;g++;}while(g!=80);g=0;}
int main()
{
cout<<"Foxefde calculator! 2013-04-01\n\n";la();
do{
cin>>a>>e>>b;
switch(e){
case '+':cout<<"\n"<<a<<"+"<<b<<"="<<a+b<<"\n";la();cout<<"\n";break;
case '*':cout<<"\n"<<a<<"*"<<b<<"="<<a*b<<"\n";la();cout<<"\n";break;
case '/':cout<<"\n"<<a<<"/"<<b<<"="<<a/b<<"\n";la();cout<<"\n";break;
case '-':cout<<"\n"<<a<<"-"<<b<<"="<<a-b<<"\n";la();cout<<"\n";break;
default :la();f++;}
}while(true);}
#include <iostream>
char f=178,e;
double a,b,c,d,g=0;
void la()
{cout<<endl;do{cout<<f;g++;}while(g!=80);g=0;}
int main()
{
cout<<"Foxefde calculator! 2013-04-01\n\n";la();
do{
cin>>a>>e>>b;
switch(e){
case '+':cout<<"\n"<<a<<"+"<<b<<"="<<a+b<<"\n";la();cout<<"\n";break;
case '*':cout<<"\n"<<a<<"*"<<b<<"="<<a*b<<"\n";la();cout<<"\n";break;
case '/':cout<<"\n"<<a<<"/"<<b<<"="<<a/b<<"\n";la();cout<<"\n";break;
case '-':cout<<"\n"<<a<<"-"<<b<<"="<<a-b<<"\n";la();cout<<"\n";break;
default :la();f++;}
}while(true);}