CONVERTISSEUR+BEL EFFET (DEV-C++)

#include <iostream.h>
#include <stdlib.h>
#include<conio.c> /ou conio.h
int main()
{
float mont;
int choix;
textcolor(14);

             cout<<"\t\tÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»\n";
             cout<<"\t\tºConvertisseur US<->CANº\n";
             cout<<"\t\tÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍͼ\n";
             cout<<"\n";
             cout<<"1:Americain a Canadien\n";
             cout<<"2:Canadien a Americain\n";
             cout<<"Choix:";
             cin>>choix;

if (choix==1)
{
gotoxy(40,5);
textcolor(9);
             cout<<"Montant:";
             cin>>mont;
system("cls");
             cout<<"Montant en dollars Canadien="<< mont*1.56520 << "$" <<endl;

      system("PAUSE");
}

if (choix==2)
{
gotoxy(40,5);
             cout<<"Montant:";
             cin>>mont;
system("cls");
             cout<<"Montant en dollars Americain="<<mont*0.638896 <<"$"<<endl;
      system("PAUSE");
      return 0;
}
}