var A =10, B=5, C=15, mid=0, flag=0;
if(A>B && B>C)
mid = B;
else if ( A>C && C>B)
mid = C;
else if ( B>A && A>C)
mid = A;
else if ( B>C && C>A)
mid = C;
else if ( C>A && A>B)
mid = A;
else if ( C>B && B>AB)
mid = B;
else
print("two or more numbers have same value");
flag=1;
if(flag=0)
{
print("Middle number is "+mid);
}
please ignore any syntax discrepancy. Kindly see logic only.