#include <iostream>
using namespace std;
int main() {;
cout <<"Size of int"<< sizeof(int) <<"bytes"<<endl;
cout <<"Size of float"<< sizeof(float) <<"bytes"<<endl;
cout <<"Size of double"<< sizeof(double) <<"bytes"<<endl;
cout <<"Size of char"<< sizeof(char) <<"bytes"<<endl;
return 0;
}
#include<iostream>
using namespace std;
int main{
int x,y;
cout<<"x*y"<<endl;
cin>> x=7 >> y=63;
}