C :

#include<stdio.h>
int main()
{
	char c1,c2,c3,c4,c5;
	scanf("%c%c%c%c%c",&c1,&c2,&c3,&c4,&c5);
	printf("%c%c%c%c%c\n",c1+4,c2+4,c3+4,c4+4,c5+4);
    return 0;
}

C++ :

#include<iostream>
#include<fstream>
#include<string>
#include<cstring>
#include<cmath>
using namespace std;
void change(int& x,int & y)
{
	int temp;
	temp=x;x=y;y=temp;
}
int main()
{
	//ifstream cin("aaa.txt");
	int i,j,n;
	int x,y,z;

cout<<"Glmre"<<endl;
return 0;
}
	

Java :

import java.util.*;
public class Main{
    public static void main(String[] args){
        Scanner in=new Scanner(System.in);
       String str =in.next();
       for(int i=0;i<str.length();i++){
           char a =(char)(str.charAt(i)+4);
           System.out.print(a);
        }
        System.out.println();
    }
}