diff --git a/cv1/program.c b/cv1/program.c
index 8a1c1d5..cf16d63 100644
--- a/cv1/program.c
+++ b/cv1/program.c
@@ -19,6 +19,16 @@ int main(){
     printf("Zadaj hladanu surovinu:\n");
     fgets(surovina,LINESIZE,stdin);
     surovina[strcspn(surovina, "\n")] = '\0';
+    for(int j = 0; j <= strcspn(surovina, "\0");j++){
+            for(int x = 0; x < 11;x++){
+                if(surovina[j] == numbers[x]){
+                    surovina[j] = letters[x];
+                }
+                if(isupper(surovina[j])){
+                    surovina[j] = tolower(surovina[j]);
+                }
+            }
+        }
     printf("Zadaj jedalny listok:\n");
     int count = 0;
     while (count < LINESIZE) {