diff --git a/du3/program.c b/du3/program.c
index 483f223..c0ce4c9 100644
--- a/du3/program.c
+++ b/du3/program.c
@@ -1,10 +1,11 @@
-#include <stdlib.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 int main()
 {
-    
-    
+ 
+ 
+ 
 char *str;
 str = (char*) malloc(12);
 scanf("%s",str);
@@ -12,21 +13,17 @@ int day=0;
 int m=0;
 int y=0;
 sscanf(str, "%d.%d.%d", &day, &m, &y);
-if( (day<0 || day>=31)||(m<0 || m>12)){
-    return 0;
-}
-
 day+=7;
-if(day>31 && m%2!=0){
+if(m%2!=0 && day>31){
     day-=31;
     m++;
 }
-else if(day>30 && m%2==0){
+if(m%2==0 && day>30){
     if(m==2 &&(y%400==0 ||(y%100!=0 && y%4==0))){
         day-=29;
     }
     else{
-    day-=31;
+        day-=30;
     }
     m++;
 }
@@ -34,10 +31,13 @@ if(m>12){
     m-=12;
     y++;
 }
-
-printf(" %d.%d.%d\n",day,m,y);
-
-
-    return 0;
+if(m>9){
+    printf(" %d.%d.%d\n",day,m,y);
+}
+else{
+    printf(" %d.0%d.%d\n",day,m,y); 
+}
+
+  return 0;
 }