diff --git a/A13/archiv/1.+Congratulations+in+C.c b/A13/archiv/1.+Congratulations+in+C.c
new file mode 100644
index 0000000..3585e4c
--- /dev/null
+++ b/A13/archiv/1.+Congratulations+in+C.c
@@ -0,0 +1,16 @@
+//Made by Vlad. Budnitski.
+//AlphaTech - Programming Course.
+
+#include <stdio.h>
+#include <stdlib.h>
+
+int main()
+{
+    int grade;
+    scanf("%d", &grade);
+    if (grade >= 60)
+        printf("Congratulations! \n");
+    else
+        printf("Failed.. Try again \n");
+    return 0;
+}
diff --git a/A13/archiv/3.+Challenge+no.+1+-+Odd+or+Even.c b/A13/archiv/3.+Challenge+no.+1+-+Odd+or+Even.c
new file mode 100644
index 0000000..1104821
--- /dev/null
+++ b/A13/archiv/3.+Challenge+no.+1+-+Odd+or+Even.c
@@ -0,0 +1,21 @@
+//Made by Vlad. Budnitski.
+//AlphaTech - Programming Course.
+
+#include <stdio.h>
+
+/* Finding if a given number is EVEN or ODD */
+int main()
+{
+    int num;
+    printf("Enter a number: ");
+    scanf("%d", &num);
+    if (num % 2 == 0)
+        printf("%d is an EVEN number \n", num);
+    else
+        printf("%d is an ODD number \n", num);
+    //if (num % 2 != 0)
+    //    printf("%d is an ODD number \n", num);
+    //else
+    //    printf("%d is an EVEN number \n", num);
+        return 0;
+}
\ No newline at end of file
diff --git a/A13/archiv/5.+Challenge+no.+3+-+Min+and+Max+among+3+numbers.c b/A13/archiv/5.+Challenge+no.+3+-+Min+and+Max+among+3+numbers.c
new file mode 100644
index 0000000..348f12c
--- /dev/null
+++ b/A13/archiv/5.+Challenge+no.+3+-+Min+and+Max+among+3+numbers.c
@@ -0,0 +1,33 @@
+//Made by Vlad. Budnitski.
+//AlphaTech - Programming Course.
+
+#include <stdio.h>
+#include <stdlib.h>
+
+int main()
+{
+    int a, b, c;
+    int max, min;
+    printf("Enter first number: ");
+    scanf("%d", &a);
+    printf("Enter second number: ");
+    scanf("%d", &b);
+    printf("Enter third number: ");
+    scanf("%d", &c);
+    max = a;
+    min = b;
+    if (a < b)
+    {
+        max = b;
+        min = a;
+    }
+    if (max < c)
+        max = c;
+    if (c < min)
+        min = c;
+
+    printf("MAXIMUM between 3 numbers = %d\n", max);
+    printf("MINIMUM between 3 numbers = %d\n", min);
+
+    return 0;
+}
\ No newline at end of file
diff --git a/A13/archiv/6.+Moving+Forward+-+Code+Example.c b/A13/archiv/6.+Moving+Forward+-+Code+Example.c
new file mode 100644
index 0000000..46ff0a6
--- /dev/null
+++ b/A13/archiv/6.+Moving+Forward+-+Code+Example.c
@@ -0,0 +1,21 @@
+//Made by Vlad. Budnitski.
+//AlphaTech - Programming Course.
+#include <stdio.h>
+#include <stdlib.h>
+
+int main()
+{
+    int grade; // Declaration
+    
+    printf("Enter your grade: ");
+    scanf("%d", &grade); // Getting input from user
+    
+    if(grade>80) // If grade is above 80
+        printf("Excellent Job!\n");
+    else if(grade>60) // If grade is not above 80 but still above 60
+        printf("Not bad...Study more next time.\n");
+    else // If grade is less than 60 (or equals to 60)
+        printf("Oh.. You didn't pass..\n");
+        
+    return 0;
+}
diff --git a/A13/archiv/7.+Logical+Operators.c b/A13/archiv/7.+Logical+Operators.c
new file mode 100644
index 0000000..9881804
--- /dev/null
+++ b/A13/archiv/7.+Logical+Operators.c
@@ -0,0 +1,32 @@
+//Made by Vlad. Budnitski.
+//AlphaTech - Programming Course.
+
+#include <stdio.h>
+#include <stdlib.h>
+
+// NOTE: This program is for explanatory purposes only.
+//		 It shouldn't run yet!
+
+int main()
+{
+	// Logical Operators //
+	// If we got 90 or higher
+	// AND
+	// If we have less than 50 bucks
+	int money;
+	int grade;
+	printf("Enter money and grade: \n");
+	scanf("%d%d", &money, &grade);
+
+	if (money < 50 && grade > 90)
+		// Do something
+	
+	if (money < 50 || grade > 90)
+		// Do something
+	
+	// NOT <-> "!"
+	if (!(grade > 80))
+		printf("Good Job! \n"); // grde<-80
+
+	return 0;
+}
\ No newline at end of file
diff --git a/A13/archiv/9.+Distance+Between+2+Points.c b/A13/archiv/9.+Distance+Between+2+Points.c
new file mode 100644
index 0000000..151b925
--- /dev/null
+++ b/A13/archiv/9.+Distance+Between+2+Points.c
@@ -0,0 +1,22 @@
+//Made by Vlad. Budnitski.
+//AlphaTech - Programming Course.
+
+#include <stdio.h>
+#include <math.h>
+
+int main()
+{
+	float x1, y1, x2, y2;
+	float distance;
+	printf("Enter X1: ");
+	scanf("%f", &x1);
+	printf("Enter Yl: ");
+	scanf("%f", &y1);
+	printf("Enter X2: ");
+	scanf("%f", &x2);
+	printf("Enter Y2: ");
+	scanf("%f", &y2);
+	distance = sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2));
+	printf("The distance between the points (%.2f, %.2f) and (%.2f, %.2f) is %.2f\n", x1, y1, x2, y2, distance);
+	return 0;
+}
\ No newline at end of file