diff --git a/a4/program.c b/a4/program.c
index 6771bfa..0c15870 100644
--- a/a4/program.c
+++ b/a4/program.c
@@ -40,7 +40,7 @@ long int* strToInt(const char* chArr, int* counter){
     }
     //printf("counter %d\n", *counter);
     long* dArr = (long*)calloc(*counter, sizeof(long));
-    for(int i; i < *counter; i++){
+    for(int i = 0; i < *counter; i++){
         dArr[i] = tmp[i];
     }
     free(tmp);
@@ -93,7 +93,7 @@ void print_tree(const long* arr, int* size){
 
 int main(){
     char chArr[SIZE];
-    int counter;
+    int counter=0;
     int* counterPtr = &counter;
     while(1){
         char* r = fgets(chArr, SIZE, stdin);