#include <iostream>
using namespace std;
int main () {
// local variable declaration:
int a = 100;
// check the boolean condition
if( a == 10 ) {
// if condition is true then print the following
cout << "Value of a is 10" << endl;
} else if( a == 20 ) {
// if else if condition is true
cout << "Value of a is 20" << endl;
} else if( a == 30 ) {
// if else if condition is true
cout << "Value of a is 30" << endl;
} else {
// if none of the conditions is true
cout << "Value of a is not matching" << endl;
}
cout << "Exact value of a is : " << a << endl;
return 0;
}