diff --git a/cv3/program.c b/cv3/program.c
index 7961059..b41571e 100644
--- a/cv3/program.c
+++ b/cv3/program.c
@@ -22,7 +22,7 @@ int main(){
         }
         if(vstup[0] == '-' || vstup[0] == '+' || vstup[0] == '*' || vstup[0] == '/'){
             if(vstup[0] == '-'){
-                mystack.values[0] = mystack.values[0] - mystack.values[1];
+                mystack.values[counter-2] = mystack.values[counter-2] - mystack.values[counter-1];
                 for(int i = 1; mystack.values[i] != 0;i++){
                     mystack.values[i] = mystack.values[i+1];
                     mystack.values[i+1] = 0;
@@ -30,11 +30,11 @@ int main(){
                 }
             }
                 if(vstup[0] == '/'){
-                if(mystack.values[1] == 0){
+                if(mystack.values[counter-1] == 0){
                     printf("division by zero\n");
                     return 0;
                 }
-                mystack.values[0] = mystack.values[0] / mystack.values[1];
+                mystack.values[counter-2] = mystack.values[counter-2] / mystack.values[counter-1];
                 for(int i = 1; mystack.values[i] != 0;i++){
                     mystack.values[i] = mystack.values[i+1];
                     mystack.values[i+1] = 0;
@@ -42,7 +42,7 @@ int main(){
                 }
             }
                 if(vstup[0] == '*'){
-                mystack.values[0] = mystack.values[0] * mystack.values[1];
+                mystack.values[counter-2] = mystack.values[counter-2] * mystack.values[counter-1];
                 for(int i = 1; mystack.values[i] != 0;i++){
                     mystack.values[i] = mystack.values[i+1];
                     mystack.values[i+1] = 0;
@@ -50,7 +50,7 @@ int main(){
                 }
             }
                 if(vstup[0] == '+'){
-                mystack.values[0] = mystack.values[0] + mystack.values[1];
+                mystack.values[counter-2] = mystack.values[counter-2] + mystack.values[counter-1];
                 for(int i = 1; mystack.values[i] != 0;i++){
                     mystack.values[i] = mystack.values[i+1];
                     mystack.values[i+1] = 0;