diff --git a/cv3/program b/cv3/program
index eaf89ba..07fafc7 100755
Binary files a/cv3/program and b/cv3/program differ
diff --git a/cv3/program.c b/cv3/program.c
index 8428e27..4c50f49 100644
--- a/cv3/program.c
+++ b/cv3/program.c
@@ -9,15 +9,43 @@
 
 struct zasobnik {
     float price;
-    int size;
 };
 
 int main() {
-    //struct zasobnik databaza[velkost];
-    //char input[100]= {0};
+    struct zasobnik databaza[velkost];
+    char input[100]= {0};
+    int number = 0;
+    int counter = 0;
 
-    //while(fgets(input, sizeof(input), stdin) && strcmp( input, "\n" ) != 0 ){
+    while(fgets(input, sizeof(input), stdin) && strcmp( input, "\n" ) != 0 ){
+        number = strtof(input, NULL);
+        databaza[counter].price = number;
         
-    //}
-
+        if(input[0] == '+'){
+            printf("%.2f\n",databaza[counter-2].price);
+            printf("%.2f %.2f\n",databaza[counter-2].price, databaza[counter-1].price);
+            databaza[counter-2].price = databaza[counter-2].price + databaza[counter-1].price;
+            printf("%.2f\n",databaza[counter-2].price);
+        }
+        if(input[0] == '-'){
+            printf("%.2f\n",databaza[counter-2].price);
+            printf("%.2f %.2f\n",databaza[counter-2].price, databaza[counter-1].price);
+            databaza[counter-2].price = databaza[counter-2].price - databaza[counter-1].price;
+            printf("%.2f\n",databaza[counter-2].price);
+        }
+        if(input[0] == '/'){
+            printf("%.2f\n",databaza[counter-2].price);
+            printf("%.2f %.2f\n",databaza[counter-2].price, databaza[counter-1].price);
+            databaza[counter-2].price = databaza[counter-2].price / databaza[counter-1].price;
+            printf("%.2f\n",databaza[counter-2].price);
+        }
+        if(input[0] == '*'){
+            printf("%.2f\n",databaza[counter-2].price);
+            printf("%.2f %.2f\n",databaza[counter-2].price, databaza[counter-1].price);
+            databaza[counter-2].price = databaza[counter-2].price * databaza[counter-1].price;
+            printf("%.2f\n",databaza[counter-2].price);
+        }
+        counter++;
+    }
+    printf("no input\n");
 }
\ No newline at end of file