diff --git a/a4/program b/a4/program
index c00ea40..9d4e350 100755
Binary files a/a4/program and b/a4/program differ
diff --git a/a4/program.c b/a4/program.c
index 84f96ef..fdfee9f 100644
--- a/a4/program.c
+++ b/a4/program.c
@@ -3,29 +3,20 @@
 #include <string.h>
 #include <ctype.h>
 #include <stdbool.h>
+#include <math.h>
+
 #define SIZE 100
 
 bool jeKopa(int i, int inputNum[SIZE]);
-
+void vypisovac(int vypis[SIZE], int input[SIZE], int size);
+int ownPow(int base, int power);
+int input(char string[100], int numbers[100]);
 int main(){
     char stringNum[100];
-    int inputNum[100], i = 0;
-    while (1)
-    {
-        //scanf("%s",&stringNum);
-        fgets(stringNum,SIZE,stdin);
-        stringNum[strlen(stringNum)-1] = '\0';
-        if (!isdigit(stringNum[0]))
-        {
-            break;
-        }
-        inputNum[i] = atoi(stringNum);
-        i++;        
-    }
-    for (int j = (i-1)/2; j >= 0; j--)
-    {
-
-    }
+    int inputNum[100] = {0}, i = 0;
+    fgets(stringNum,SIZE,stdin);
+    i = input(stringNum,inputNum) -1;
+    for (int j = 0; j < SIZE; j++){if(inputNum[j]<0-1){i++;}}
     int vypis[100];
     if(jeKopa(i,inputNum)){
         printf("Je to taka kopa:");
@@ -48,20 +39,7 @@ int main(){
            
     }
     printf("\n");
-    int count = 0;
-    for (int j = 0; j < i-1; j++)
-    {
-        if (j<=(i)/2)
-        {
-            for (int k = 0; k < count; k++)
-            {
-                printf(" ");
-            }
-            count++;
-        }
-        printf("%d\n",inputNum[vypis[j]]);
-    }
-        
+    vypisovac(vypis,inputNum,i);  
     return 0;
 }
 
@@ -73,7 +51,7 @@ bool jeKopa(int i, int inputNum[SIZE]){
         {
             continue;
         }
-        if (inputNum[j]>inputNum[l] || inputNum[j]>inputNum[r])
+        if ((inputNum[j]>inputNum[l]) || (inputNum[j]>inputNum[r]))
         {
             printf("Nieje kopa");
             return 0;
@@ -82,4 +60,58 @@ bool jeKopa(int i, int inputNum[SIZE]){
     }
     
     return 1;
+}
+void vypisovac(int vypis[SIZE], int input[SIZE], int size){
+    int counter = 0, count = ownPow(2,0), space = 0, i = 0;
+    for (i = 0; i < size; i++)
+    {
+        if (counter>=count && (i)<=(size/2))
+        {
+            count = ownPow(2,i)/2;
+            counter = 0;
+            space++;
+        }
+        else if ((counter>=count && (i)>(size/2)) || vypis[i]<count-1)
+        {
+            count = ownPow(2,size-i-1)/2;
+            counter = 0;
+            space--;
+        }
+        
+        counter++;
+        for (int k = 0; k < space; k++)
+        {
+            printf(" ");
+        }
+        printf("%d\n",input[vypis[(int)i]]);
+    }
+}
+int ownPow(int base, int power){
+    int result = 0;
+    if (power>0)
+    {
+        result = 1;
+    }
+    else{
+        return 1;
+    }
+    
+    for (int i = 0; i<power; i++)
+    {
+        result = result * base;
+    }
+    return result;
+}
+int input(char string[100], int numbers[100]){
+    int j = 0;
+    for (int i = 0; i < strlen(string); i++)
+    {
+        if (isdigit(string[i])){
+            numbers[j] = numbers[j]*10 + string[i]-'0';
+        }
+        else{
+            j++;
+        }
+    }
+    return j;
 }
\ No newline at end of file