#include <stdio.h>
int globalVar = 5;  // Global variable

void display() {
    int localVar = 10;  // Local variable
    printf("Global variable: %d\n", globalVar);
    printf("Local variable: %d\n", localVar);
}

int main() {
    display();
    globalVar = 15;  // Modify global variable
    printf("Modified global variable in main: %d\n", globalVar);
    return 0;
}