#include <stdio.h> #define MAX 3 int stack[MAX]; int top = -1; void push(int value) { if (top == MAX - 1) { printf("Overflow! Cannot push %d\n", value); return; } top++; stack[top] = value; printf("Pushed %d\n", value); } int pop() { if (top == -1) { printf("Underflow! The stack is empty\n"); return -1; } int value = stack[top]; top--; printf("Popped %d\n", value); return value; } int main() { push(1); push(2); push(3); push(4); // The stack is full pop(); pop(); pop(); pop(); // The stack is empty return 0; }