diff --git a/HangPerson/HangPerson/main.m b/HangPerson/HangPerson/main.m
index 948dd70..416c50e 100644
--- a/HangPerson/HangPerson/main.m
+++ b/HangPerson/HangPerson/main.m
@@ -8,11 +8,113 @@
 
 #import <Foundation/Foundation.h>
 
+
 int main(int argc, const char * argv[]) {
     @autoreleasepool {
         
-        // code goes here...
-
+        // code by Xiulan Shi
+        
+        // original words by creating an array...
+        char *myWords[] = {"tribal","google","yahoo","apple","windows","code","develop","techie","coders"};
+        
+        //total number of array...
+        int count = sizeof(myWords)/sizeof(char*) - 1;
+        
+        //create a randomNumber...
+        int randNum = arc4random_uniform(count);
+        
+        //place to hold the random word...
+        char *randWord = myWords[randNum];
+        
+        //length of a random word...
+        
+        long lengthOfWord = strlen(randWord);
+        
+        //number of lives...
+        int livesNum = 5;
+        
+        int correctNum = 0;
+        int oldCorrect = 0;
+        //the longest word has 7 letters, so use 8 here...
+        int letterGuessed[8] = { 0,0,0,0,0,0,0,0 };
+        
+        int quit = 0;
+        
+        // guess array:
+        
+        char guess[16];
+        char userInput;
+        
+        //GAME HEADER...
+        
+        printf("\t\t\t\tWELCOME TO PLAY THE HANGPERSON GAME!!!\n\n");
+        printf("Hangperson is a game where you are expected to guess a word in a certain number of chances that before you hang the Hangperson.\n");
+        
+        // use while loop for the game... if the length of guess word is smaller than length of the random word, it will keep looping.
+        
+        while ( correctNum < lengthOfWord ) {
+            printf("\nNew Guess...\nThe word that I am thinking of is:");
+            //if letterGuessed is correct then it will print the letter, otherwise print underscore "- "
+            for (int i = 0; i < lengthOfWord; i++) {
+                if (letterGuessed[i] == 1) {
+                    printf("%c", myWords[randNum][i]);
+                }
+                else {
+                    printf("_ ");
+                }
+            }
+            
+            printf("\n");
+            
+            printf("Number of correct letters by now: %d\n", correctNum);
+            
+            printf("Enter a new letter here:");
+            //use fgets() function to read a string...guess is the name of a char array, 16 is the amount of text to input plus one, stdin is the name of the standard input device...
+            fgets(guess, 16, stdin);
+            //if user enter quit, it will break and come out of loop and print the quit message in the end...use strncmp to compare part of two strings...
+            if (strncmp(guess, "quit", 4) == 0) {
+                quit = 1;
+                break;
+            }
+            
+            userInput = guess[0];
+            printf("The letter you entered is %c\n", userInput);
+            
+            oldCorrect = correctNum;
+            for (int i = 0; i < lengthOfWord; i++) {
+                if (letterGuessed[i] == 1) {
+                    continue;
+                }
+                
+                if (userInput == myWords[randNum][i]) {
+                    letterGuessed[i] = 1;
+                    correctNum++;
+                }
+            }
+            if (oldCorrect == correctNum) {
+                livesNum--;
+                printf("Sorry, wrong letter.\n");
+                if (livesNum == 0){
+                    break;
+                }
+            }else{
+                printf("Correct letter!\n");
+            }
+        }
+        //while loop ends...
+        //quit message
+        if (quit == 1) {
+            printf("You quit!Good Bye.\n");
+        }
+        //run out of 5 lives...
+        else if (livesNum == 0){
+            printf("\n Sorry, you've run out of lives! YOU LOSE! The word was: %s\n", myWords[randNum]);
+        }
+        //win the game...
+        else{
+            printf("\nCongratulations! YOU WIN!!! The word is indeed %s!!!\n", myWords[randNum]);
+        }
+        
     }
     return 0;
 }