diff --git a/du1/program.c b/du1/program.c
index 684da7c..70115fc 100644
--- a/du1/program.c
+++ b/du1/program.c
@@ -1,18 +1,24 @@
 #include<stdio.h>
 
    int main(){
-	int counter=0, Sym;
-	char OutSym;
+        int counter=0, Sym;
+        char OutSym;
 
-	while(1){
-	  Sym=getchar();
-	 if(Sym==EOF || Sym==0)break;
-	 else if(Sym<='Z'&&Sym>='A')Sym +=32;
-	 else if(Sym<='z'&&Sym>='a')Sym-=32;
-	counter++;
-	OutSym=Sym;
-	putchar(OutSym);
-}
-	printf("\nPočet riadkov: %d\n",counter);
+        while(1){
+                Sym=getchar();
+                if(Sym=='\n'){
+                        counter++;
+                }
+                if(Sym==EOF){
+                        //counter++;
+                        break;
+                }
+                else if(Sym<='Z'&&Sym>='A')Sym +=32;
+                else if(Sym<='z'&&Sym>='a')Sym-=32;
+                //counter++;
+                OutSym=Sym;
+                putchar(OutSym);
+        }
+        printf("\nPočet riadkov: %d\n",counter);
    return 0;
-}
+}             
diff --git a/du3/program.c b/du3/program.c
new file mode 100644
index 0000000..93a4614
--- /dev/null
+++ b/du3/program.c
@@ -0,0 +1,49 @@
+#include<stdio.h>
+#include<stdlib.h>
+#include<string.h>
+#include<math.h>
+#define SIZE 30
+
+int main(){
+    char pol[SIZE];
+    memset(pol,' ',SIZE);
+    pol[SIZE]='\0';
+
+    int ch=0;
+
+    for(int idx=0;1;idx++ ){
+        ch=getchar();
+        if(ch==EOF||ch==' ')break;
+        pol[idx]=ch;
+    }
+
+    printf("%s\n",pol);
+
+    int koef=0;
+    for(int i=0;i<strlen(pol);i++)if(pol[i]=='\n')koef++;
+
+    float x=0;
+    char *end = NULL;
+    char *start = pol;
+    x=strtof(start,&end);
+    start=end;
+
+    float num=0;
+    for(int i=0;i<koef;i++){
+        float p=1, n=0;
+        n=strtof(start,&end);
+        if(n)start=end;
+        else break;
+
+        for(int idx=(koef-i)-1;idx>0;idx--)p*=x;
+
+        num+=p*n;
+    }
+
+    //num=34.577;
+    num=round(num*100)/100;
+
+    printf("%.2f\n", num);
+    return EXIT_SUCCESS;
+}
+