Code:

#include <iostream.h>
#include <afx.h>
void In(char var)
{
int x = 0;
while(var != letters[x] && x < 26)
x++;
if(x < 26)
cin>>lines[x];
}
void Out(char var)
{
int x = 0;
while(var != letters[x] && x < 26)
x++;
if(x < 26)
cout<<lines[x] << endl;
}
void Add(char v1, char v2, char v3)
{
int x = 0;
int y = 0;
int z = 0;
while (v1 != letters[x]&& x < 26)
x++;
while (v2 != letters[y]&& x < 26)
y++;
while (v3 != letters[z]&& x < 26)
z++;
if( x< 26 && y < 26 && z < 26)
lines[z] = lines[x] + lines[y];
}
void Subtract(char v1, char v2, char v3)
{
int x = 0;
int y = 0;
int z = 0;
while (v1 != letters[x]&& x < 26)
x++;
while (v2 != letters[y]&& x < 26)
y++;
while (v3 != letters[z]&& x < 26)
z++;
if( x< 26 && y < 26 && z < 26)
lines[z] = lines[x] - lines[y];
}
void Mult(char v1, char v2, char v3)
{
int x = 0;
int y = 0;
int z = 0;
while (v1 != letters[x]&& x < 26)
x++;
while (v2 != letters[y]&& x < 26)
y++;
while (v3 != letters[z]&& x < 26)
z++;
if( x< 26 && y < 26 && z < 26)
lines[z] = lines[x] * lines[y];
}
void Div(char v1, char v2, char v3)
{
int x = 0;
int y = 0;
int z = 0;
while (v1 != letters[x]&& x < 26)
x++;
while (v2 != letters[y]&& x < 26)
y++;
while (v3 != letters[z]&& x < 26)
z++;
if( x< 26 && y < 26 && z < 26)
lines[z] = lines[x] / lines[y];
}
char letters [ ] = { 'a','b','c','d','e','f','g','h','i',
'j','k','l','m','n','o','p','q','r',
's','t','u','v','w','x','y','z'};
int lines[ 52 ]={0};
int main()
{
char info[20][10];
int i =0, dx = 1;
cout <<"Enter x exit"<<endl<<endl;
while(i < 20 && info[i-1][0] != 'x' || info[i-1][0]!='X')
{ cin.getline(info[i++],10);
}
int x;
int y = 0;
int loop = 'y';
CString space = "";
while(loop == 'y'||loop=='Y')
{ x = 0;
while (x < i){
while(info[x][y] != ' ')
{ space += info[x][y++];
y++;
if(space == "get")
{ In(info[x][y]);
}
if(space == "put")
{ Out(info[x][y]);
}
if(space == "add")
{ Add(info[x][y], info[x][y+2], info[x][y+4]);
}
if(space == "mul")
{ Mult(info[x][y], info[x][y+2], info[x][y+4]);
}
if(space == "sub")
{ Subtract(info[x][y], info[x][y+2], info[x][y+4]);
}
if(space == "div")
{ Div(info[x][y], info[x][y+2], info[x][y+4]);
}
x++;
y=0;
space = "";
}
cout << "Do you wish to loop? (y/n)";
cin.get();
cin >> loop;
cout << endl;
}
}
}