diff --git a/src/main.cpp b/src/main.cpp
index 7d4fe6f..8fa3148 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,12 +1,77 @@
 #include <iostream> // for std::cout
 #include "io.h"
+#include <cmath>
 
 // Definition of function main()
+double get_user_double()
+{
+    std::cout << "Enter a double value: ";
+    double x{};
+    std::cin >> x;
+    return x;
+}
+char get_user_operator()
+{
+    std::cout << "Enter +, -, * or /: ";
+    char x{};
+    std::cin >> x;
+    return x;
+}
+void print_result(double a, double b, char c)
+{
+    double result{};
+    switch (c)
+    {
+    case '+':
+        result = a + b;
+        break;
+    case '-':
+        result = a - b;
+        break;
+    case '*':
+        result = a * b;
+        break;
+    case '/':
+        result = a / b;
+        break;
+    default:
+        return;
+    }
+    std::cout << a << ' ' << c << ' ' << b << " is " << result;
+}
+void task1()
+{
+    double a{get_user_double()};
+    double b{get_user_double()};
+    char c{get_user_operator()};
+    print_result(a, b, c);
+}
+
+long get_user_tower_height()
+{
+    std::cout << "Enter the height of the tower in meters: ";
+    long x{};
+    std::cin >> x;
+    return x;
+}
+void task2()
+{
+    long tower_height{get_user_tower_height()};
+    for (size_t i = 0; i < 6; i++)
+    {
+        double result{static_cast<double>(tower_height) - 9.8 * pow(static_cast<double>(i), 2) / 2};
+        if (result <= 0.0)
+            std::cout << "At " << i << " seconds, the ball is on the ground\n";
+        else
+            std::cout << "At " << i << " seconds, the ball is at height: " << result << " meters\n";
+    }
+}
 int main()
 {
     // add_two_numbers();
     // convert_char_to_ascii();
     // print_type_size_bytes();
-
+    // task1();
+    task2();
     return 0;
 }
\ No newline at end of file