#include <iostream>
using namespace std;

int main() {
	// your code goes here
	
	char c[]= "GATE2017";
	char *p=c;
	cout<<p+p[3]-p[1]<<endl; // ??
	cout<<p[3]<<endl;    // OK
	cout<<p[4]<<endl;    //OK
	cout<<p[7]<<endl;    //OK
	cout<<p[3]-p[1];     // ??
	cout<<p+p[1];
	
	return 0;
}