diff --git a/Project/.gitignore b/Project/.gitignore
new file mode 100644
index 0000000..d3114e1
--- /dev/null
+++ b/Project/.gitignore
@@ -0,0 +1,3 @@
+/Project.depend
+/bin
+/obj
diff --git a/Project/main.c b/Project/main.c
index 022b16e..15d15ec 100644
--- a/Project/main.c
+++ b/Project/main.c
@@ -3,6 +3,46 @@
 
 int main()
 {
-    printf("Hello world!\n");
+    double A, C, p;
+
+    printf("Enter the initial cost of the product: ");
+    scanf(" %lf", &A);
+
+    printf("Enter the desired cost of the product: ");
+    scanf(" %lf", &C);
+
+    while(A <= C)
+    {
+
+        printf("The initial cost is already lower or equal to the desired one. \nEnter the desired one again: ");
+        scanf(" %lf", &C);
+    }
+
+    printf("Enter the percentage reduction in the cost of the product for the year: ");
+    scanf(" %lf", &p);
+
+    //printf("A = %lf \nC = %lf \np = %lf \n", A,C,p);
+
+    for(int i = 1; i <= 10; i++)
+    {
+        A *= (1 - (p / i) / 100);
+        printf("A = %lf\n", A);
+
+        if(A < C)
+        {
+            printf("The cost of the product dropped below the desired cost after %d years\n", i);
+            break;
+        }
+    }
+
+    if(A > C)
+        {
+            printf("The cost of the product did not fall below the desired cost\n");
+        }
+
+
+    printf("Press any key to exit...\n");
+    getchar();
+    getchar();
     return 0;
 }