// addemup.c -- four kinds of statements
#include <stdio.h>

// finds sum of fist 20 integers
int main(void)
{
	// declaration statement
	int count, sum;

	// assignment statement
	count = 0;
	sum = 0;
	// while
	while (count++ < 20)
		// statement
		sum = sum + count;
	// function statement
	printf("sum = %d\n", sum);
	return 0;
}