#include <stdio.h>

int main()
{
    printf("A char is %ld bytes.\n", sizeof(char)); // sizeof outputs the size of the data type
    printf("A short int is %ld bytes.\n", sizeof(short int)); // 
    printf("A int is %ld bytes.\n", sizeof(int)); // int and long int are similar sizes.
    printf("A long int is %ld bytes.\n", sizeof(long int)); // %ld works with both long and short ints.
    printf("A long long in is %ld bytes.\n", sizeof(long long int));

    return(0);
}