#include <stdlib.h>
#include <stdio.h>



void main(){
    char *str;
    str = (char *)malloc(sizeof(char));
    int size=1;
    char c;
    do{
        printf("Enter Char: ");
        scanf("%c",&c);
        if(c!='.')
        {
            str[size-1]=c;
            str = realloc(str,sizeof(char) * size+1);
            size++;
        }
    }while(c!='.');

    str[size]='\0';
    int i=0;
    while(str[i]!='\0')
        printf("%c",str[i++]);
}