storing a name with no extra characters

HI guys,
this is just a fun little program im kinda bored and working on learning more about C, anyways the program is just supposed o mess with a couple of my buddies so it looks like kinda intelligent lol anyway my question is how can i make it so when they enter thier name and i store that as a variable how can i get that to display like i have it below in the program ive tried; int. float, char, what can i do to have this display a name without any extra characters or cutting off their names?

Code:

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#include<stdio.h>
int main(void)
{
int a, b;
printf("hello, im CPU, by Russ the first program to express emotions! Whats your name?\n");
scanf("%d", &a);

printf("\nnice to meet you", a);
printf("\nHows your day going so far?");
scanf("%d", &b);

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Thanks guys

A needs to be a string.... Like this...

Code:

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#include<stdio.h>
int main(void)
{
  char a[32];
  printf("hello\nI'm CPU, by Russ\n The first program to express emotions!\n Whats your name?  : ");
  scanf("%s", a);

  printf("\nnice to meet you %s", a);
  printf("\nHows your day going so far?");

  return 0;
}

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