Take input from users

Simple input function in c is scanf();
It take user input and stores in a buffer.

#include<stdio.h>

#include<stdlib.h>

int main()

{

 int a;

 printf("Enter your favorite Number : \n");

 scanf("%d",&a);

 printf("Your lucky number is : %d",a); 

 system("pause");

 return 0;

}