int usercheck(){
	int liczba_prob = 3,ID,pin;
	cin>>ID;
	cin>>pin;
	for (int i=0; i<=10; i++ ){
		if(data_acccount_number[i] == ID && data_pin_code[i]==pin){
			cout<< " Witaj " <<data_acccount_number[i]<<endl;

			return 1;
		}
		////// I W TYM MOMENCIE ZACZYNA SIĘ FESTIWAL SPIERDOLENIA PRÓB BLEDOW I JEBANYCH PORAZEK
			/*else
		{
			while(data_acccount_number[i] != ID && data_pin_code[i]!=pin||data_is_account_blocked[i]=="TAK"){
				cout<<"nie udana proba logowania"<<endl;
				cin>>ID;
				cout<<"podaj nr karty"<<data_acccount_number[i]<<endl;
				cin>>pin;
			}
		}*/
		/*if(data_acccount_number[i] != ID){
			cout<<"nie znaleziono usera"<<endl;

		}
		else if(data_acccount_number[i] == ID && data_pin_code[i]!=pin){

		cout<<"bledny pin"<<endl;
		cin>>pin;
	}
		else if(data_is_account_blocked[i]=="TAK")
		{
			cout<<"konto zablokowane"<<endl;
			break;
		}
		else if(data_acccount_number[i] == ID && data_pin_code[i]==pin){
			cout<< " Witaj " <<data_acccount_number[i]<<endl;
			break;
	}
		/*if(data_acccount_number[i] == ID && data_pin_code[i]==pin){
			cout<< " Witaj " <<data_acccount_number[i]<<endl;
			break;
		}
		else
		{
			cout<< "nie udana proba logowania"<<endl;
		}
			/*do
			{
				cout<<"nie udana proba logowania"<<endl;
				cout<<"podaj nr karty"<<data_acccount_number[i]<<endl;
				cin>>ID;
				cout<<"podaj pin"<<  data_pin_code[i]<<endl;
				cin>>pin;
			}while(data_acccount_number[i] == ID && data_pin_code[i]==pin);
		}
	/*	else if(data_acccount_number[i] != ID){
			cout <<data_acccount_number[i]<<endl;
			cout<<"nie znaleziono usera "<<endl;
			break;
		}
	/*	else if(data_pin_code[i]!=pin){
			do
			{
				liczba_prob--;
				cout<<"bledny pin pozostalo ci "<<liczba_prob<<endl;
				cin>>pin;
			}while(data_pin_code[i]==pin || liczba_prob!=0);
		}
	/*	else if(liczba_prob==0){
			cout<<"twoje konto zostalo zablokowane";
			data_is_account_blocked[i] = "TAK";
		}

		/*		if(data_pin_code[i]==pin){
					cout<< " Witaj " <<data_acccount_number[i]<<endl;
					break;

				else
				{
					while(data_pin_code[i]!=pin){
						liczba_prob--;
						cout<<"bledny pin pozostalo ci "<<liczba_prob<<endl;
						cin>>pin;
					}
				}
			}
			else
			cout<<"twoje konto zostalo zablokowane";
			data_is_account_blocked[i] = 'tak';
		}
		else
		cout<< "nie znaleziono usera"<<endl;	*/
	}

	}