diff --git a/du3/program.c b/du3/program.c
index 5b7315a..279151b 100644
--- a/du3/program.c
+++ b/du3/program.c
@@ -23,37 +23,52 @@ return value;
 }
 void print_stack(struct stack* stack){
     for(int i = 0; i < stack->size; i++)
-        printf("%g ", stack->values[i]);
+        printf("%.2f ", stack->values[i]);
     printf("\n");
 }
   
 void process_operations(struct stack* stack){
     char line[STACK_SIZE];
-    if(!fgets(line, STACK_SIZE, stdin)){
-        printf("Chyba\n");
-        return;
-    }
-    for(int i = 0; line[i] != '\0'; i++){
-        if(line[i] >= '0' && line[i] <= '9'){
-            char *endptr;
-            float val = strtof(&line[i], &endptr);
-            push_stack(stack, val);
-             print_stack(stack);
-            i = endptr - line - 1;
+    int could_read = 0;
+   
+    while(fgets(line, sizeof(line), stdin)){
+        line[strcspn(line, "\n")] = '\0';
+        if(line[0] == '\0'){
+            printf("no input\n");
+            return;
         }
-        else if ((line[i] == '*' || line[i] == '+' || line[i] == '-' || line[i] == '/') 
+        could_read = 1;
+        
+         if ((strcmp(line, "+") == 0 || strcmp(line, "-") == 0 || strcmp(line, "*") == 0 || strcmp(line, "/") == 0) 
                   && stack->size >= 2){
             float b = pop_stack(stack);
             float a = pop_stack(stack);
-            float res = (line[i] == '+') ? a + b :
-                        (line[i] == '-') ? a - b :
-                        (line[i] == '*') ? a * b :
-                        (line[i] == '/') ? a / b : 0;
+            float res = (line[0] == '+') ? a + b :
+                        (line[0] == '-') ? a - b :
+                        (line[0] == '*') ? a * b :
+                        (line[0] == '/') ? a / b : 0;
             push_stack(stack, res);
-             print_stack(stack);
+            print_stack(stack);
         }
-    }
-}
+        else if ((strcmp(line, "+") == 0 || strcmp(line, "-") == 0 || strcmp(line, "*") == 0 || strcmp(line, "/") == 0) 
+                  && stack->size <2){
+                    printf("no input\n");
+                    return;
+                  }
+    
+    else{ 
+            char *endptr;
+            float val = strtof(line, &endptr);
+            push_stack(stack, val);
+            print_stack(stack);
+
+            
+
+    
+} }
+if (!could_read){
+    printf("no input\n");
+} }
 int main(void){
     memset(&mystack,0,sizeof(struct stack));
     process_operations(&mystack);