#include <bits/stdc++.h>
using namespace std;

int ispalindrom(string str,int &start,int &end){
    if(start>=end){
        return 1;
    }
    if(str(start)!=str(end)){
        return 0;
    }
    return ispalindrom(str,start+1,end-1);
}
int main(){
    
    string str="madam";
    int c = ispalindrom(str,0,str.length()-1);
    if(c==1){
        cout<<"Yes it is Palindrom.";
    }
    else{
        cout<<"No it is not Palindrom.";
    }
}