diff --git a/DP.c b/DP.c
new file mode 100644
index 0000000..9ddeec8
--- /dev/null
+++ b/DP.c
@@ -0,0 +1,86 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <pthread.h>
+#include <semaphore.h>
+#define NUM_PHILOSOPHERS 5
+#define NUM_CHOPSTICKS 5
+
+void dine(int n);
+pthread_t philosopher[NUM_PHILOSOPHERS];
+pthread_mutex_t chopstick[NUM_CHOPSTICKS];
+
+int main()
+{
+  // Define counter var i and status_message
+  int i, status_message;
+  void *msg;
+
+  // Initialise the semaphore array
+  for (i = 1; i <= NUM_CHOPSTICKS; i++)
+  {
+    status_message = pthread_mutex_init(&chopstick[i], NULL);
+    // Check if the mutex is initialised successfully
+    if (status_message == -1)
+    {
+      printf("\n Mutex initialization failed");
+      exit(1);
+    }
+  }
+
+  // Run the philosopher Threads using *dine() function
+  for (i = 1; i <= NUM_PHILOSOPHERS; i++)
+  {
+    status_message = pthread_create(&philosopher[i], NULL, (void *)dine, (int *)i);
+    if (status_message != 0)
+    {
+      printf("\n Thread creation error \n");
+      exit(1);
+    }
+  }
+
+  // Wait for all philosophers threads to complete executing (finish dining) before closing the program
+  for (i = 1; i <= NUM_PHILOSOPHERS; i++)
+  {
+    status_message = pthread_join(philosopher[i], &msg);
+    if (status_message != 0)
+    {
+      printf("\n Thread join failed \n");
+      exit(1);
+    }
+  }
+
+  // Destroy the chopstick Mutex array
+  for (i = 1; i <= NUM_CHOPSTICKS; i++)
+  {
+    status_message = pthread_mutex_destroy(&chopstick[i]);
+    if (status_message != 0)
+    {
+      printf("\n Mutex Destroyed \n");
+      exit(1);
+    }
+  }
+  return 0;
+}
+void dine(int n)
+{
+  printf("\nPhilosopher % d is thinking ", n);
+
+  // Philosopher picks up the left chopstick (wait)
+  pthread_mutex_lock(&chopstick[n]);
+
+  // Philosopher picks up the right chopstick (wait)
+  pthread_mutex_lock(&chopstick[(n + 1) % NUM_CHOPSTICKS]);
+
+  // After picking up both the chopstick philosopher starts eating
+  printf("\nPhilosopher % d is eating ", n);
+  sleep(3);
+
+  // Philosopher places down the left chopstick (signal)
+  pthread_mutex_unlock(&chopstick[n]);
+
+  // Philosopher places down the right chopstick (signal)
+  pthread_mutex_unlock(&chopstick[(n + 1) % NUM_CHOPSTICKS]);
+
+  // Philosopher finishes eating
+  printf("\nPhilosopher % d Finished eating ", n);
+}
diff --git a/fix_me.bhailang.txt b/fix_me.bhailang.txt
index e027aa7..365a49a 100644
--- a/fix_me.bhailang.txt
+++ b/fix_me.bhailang.txt
@@ -9,11 +9,11 @@ hi bhai
 
     agar bhai (b == 0) {
       bol bhai "b is equal to a";
-    } nahi to bhai (b == a) {
+    } nahi to bhai (b =/= a) {
       bol bhai "b is equal to zero";
     }
 
-    b += 1;
+    b += 0;
   }
 
 bye bhai
diff --git a/fix_me.c b/fix_me.c
index fa99550..f1ce0bb 100644
--- a/fix_me.c
+++ b/fix_me.c
@@ -9,7 +9,7 @@ int main() {
     scanf("%d %d", &number1, &number2);
 
     // calculating sum
-    sum = number1 - number2;      
+    sum = number1 + number2;      
 
     // Multiply number 1 and number 2
     multi = number1 * number1
diff --git a/fix_me.cpp b/fix_me.cpp
index 40b2599..6e29830 100644
--- a/fix_me.cpp
+++ b/fix_me.cpp
@@ -10,10 +10,10 @@ int main() {
   cin >> first_number >> second_number;
 
   // sum of two numbers in stored in variable sumOfTwoNumbers
-  product = first_number / second_number;
+  product = first_number * second_number;
 
   // prints sum 
   cout << first_number << " + " <<  second_number << " = " << sum;     
 
   return 0;
-}
\ No newline at end of file
+}
diff --git a/fix_me.py b/fix_me.py
index 1506169..534a523 100644
--- a/fix_me.py
+++ b/fix_me.py
@@ -4,10 +4,10 @@
 a= int(input("Enter the first no: "))
 b= int(input("Enter the second no: "))
 # Divide two numbers
-division= a-b
+division= a/b
 
 # Square of first no.
-a = a+a
+a = a*a
 # Square of second no.
 b = b*b
-print("Division",division)
\ No newline at end of file
+print("Division",division)