/*
Chooses the calculation function wanted. Accepts operand 1, operand 2 and a pointer to the operator.
Returns the value calculated by the operating functions.
*/
float calculate(float n1, float n2, int *op) {
switch (*op) { // compares to the value of the pointer to the operator.
case '+':
return plus1(n1,n2);
break;
case '-':
return minus1(n1,n2);
break;
case '/':
return divide1(n1,n2);
break;
case '*':
return multiply1(n1,n2);
break;
case '^':
return xor1(n1,n2);
break;
case '|':
return or1(n1,n2);
break;
case '&':
return and1(n1,n2);
break;
default:
break;
}
}
main()
{
int a,b,i,j,sum,max=0;
scanf("%d %d",&a,&b);
for(i=a;i<=b;i++)
{
for(j=i;j<=b;j++)
{
sum=0;
sum=xor1(i,j);
if(sum>max)
max=sum;
}
}
printf("%d",max);
}
