#include<iostream.h>

int add(int x,int y){return x y;}

void main( )

{int m=2,n=3;

cout<<"1:"<<add（m ,m n）<<endl;

m=2,n=3;

cout<<"2:"<<add（ m,m n）<<endl;

m=2,n=3;

cout<<"3:"<<<endl;

m=2,n=3;

cout<<"4:"<<<endl;

}