diff --git a/cv3/program.c b/cv3/program.c
index 499e767..a0556f3 100644
--- a/cv3/program.c
+++ b/cv3/program.c
@@ -17,7 +17,7 @@ int main() {
     int i;
     int input = 0;
     float p;
-    //float prvy, druhy, vys;
+    float vys;
     while (fgets(line, LINESIZE, stdin)) {
         velkost = strlen(line);
         if (velkost == 1 && line[velkost - 1] == '\n') {
@@ -45,6 +45,8 @@ int main() {
             if (line[0] == '/') {
                 if (number[a - 1].cislo == 0){
                     printf("division by zero");
+                    vys = 1;
+                    a = 0;
                 }
                 else {
                     number[a - 2].cislo = number[a - 2].cislo / number[a - 1].cislo;
@@ -62,9 +64,9 @@ int main() {
         for (i = 0; i < a; i++){
             printf("%.2f ", number[i].cislo);
         }
-
-        printf("\n");
-
+        if (vys != 1) {
+            printf("\n");
+        }
     }
     printf("no input\n");
     return 0;