#include <iostream>
void fun(int a,int b,int& add,int& sub,int& mul)
{
add=a+b;
sub=a-b;
mul=a*b;
}
int main()
{
int a,b,add,diff,prod;
std::cout<<"Enter value of a & b: \n";
std::cin>>a>>b;
fun(a,b,add,diff,prod);
std::cout<<"addition of "<<a <<" and "<<b<<" is "<<add<<'\n';
std::cout<<"difference between "<<a <<" and "<<b<<" is "<<diff<<'\n';
std::cout<<"product of "<<a <<" and "<<b<<" is "<<prod<<'\n';
}
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