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in the function "deal", I want to call the function "add", but it doesn't work .... any suggestions?

```
#include "DeckOfCards.h"
int DeckOfCards::deal()
{
int y,z;
int y1,y2;
char x1,x2;
char cards[13]={'A','2','3','4','5','6','7','8','9','0','J','Q','K'};
char deck [260] ;
for (int i=0; i< 260; i++)
deck[i] = cards [i % 13];
y = rand()%260;
cout << "Dealer shows a: " << deck[y] << endl;
y = rand()%260;
x1 = deck[y];
cout << "Your hand: " << deck[y] << " ";
add(x1,y1);
y = rand()%260;
x2 = deck[y];
cout << deck[y] << endl;
add(x2,y2);
}
int DeckOfCards::add(char a, int b)
{
if(a=='2')
b+=2;
else if(a=='3')
b+=3;
else if(a=='4')
b+=4;
else if(a=='5')
b+=5;
else if(a=='6')
b+=6;
else if(a=='7')
b+=7;
else if(a=='8')
b+=8;
else if(a=='9')
b+=9;
else if(a=='0')
b+=10;
else if(a=='J')
b+=10;
else if(a=='Q')
b+=10;
else if(a=='K')
b+=10;
else if(a=='A')
b+=11;
}
```