diff --git a/zz4.cpp b/zz4.cpp
new file mode 100644
index 0000000..02d5957
--- /dev/null
+++ b/zz4.cpp
@@ -0,0 +1,46 @@
+#include <stdio.h>
+/**********   Begin   **********/
+void change(char *string,int d[],int l,int n4)
+{
+	int x=0,z=l;
+	char temp;
+	for(x=0;x<n4;x++)
+	{
+		l=z;
+		temp=*(string+d[l]);
+		for(;l>=1;l--)
+		{
+			*(string+d[l])=*(string+d[l-1]);
+		}
+		*(string+d[0])=temp;
+	}
+}
+void Dec(char *str,int n1,int n2,int n3)
+{
+	int i=0,j=0,k=0,n=0;//,x=0,y=0,z=0,temp;
+	int a[50],b[50],c[50];
+	while(*str!='\0')
+	{
+		if (*str>= 'a' && *str<= 'i') 
+		{
+            a[i++]=n;
+        } 
+		else if (*str>= 'j' && *str<= 'r') 
+		{
+            b[j++]=n;
+        } 
+		else if ((*str>='s' && *str<='z')||*str=='_')
+		{
+            c[k++]=n;
+        }
+        n++;
+        str++;
+	}
+	i--;j--;k--;
+	str=str-n;
+	change(str,a,i,n1);
+	change(str,b,j,n2);
+	change(str,c,k,n3);
+	printf("%s\n",str);
+}
+/**********   End   **********/