/**
// read a variable number of input data
int sum=0; int value=0;
while(std::cin>>value)
{
sum+=value;
}
std::cout<<"Sum is:"<<sum<<std::endl;
**/
/**
// read a variable number of input data
int sum=0; int value=0;
while(std::cin>>value)
{
sum+=value;
}
std::cout<<"Sum is:"<<sum<<std::endl;
**/