#include<iostream>
using namespace std;
template <typename T>
int SIZEOF(T &v)
{
return (char *)(&v+1) - (char *)(&v);
}
int main(){
int a;
char b;
double c;
cout<<SIZEOF(a)<<endl;
cout<<SIZEOF(b)<<endl;
cout<<SIZEOF(c)<<endl;
return 0;
}