char from string

# include <iostream>
using namespace std;
#include <iomanip>
#include <math.h>
#include <cmath>
#include <string>
int main()
{
    string str;
    getline(cin, str);
   int b= str.length() ;
    for (int i = 0; i <b; i++)
    {
        cout << str[i] << endl;
    }
}