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

// Append the numbers 100 to 119 to the file out.txt
int main()
{
	FILE *out; // file pointer
	int i;
	
	out = fopen("out.txt", "a"); // open the fille in append mode
	
	for(i=100; i< 120; i++)
		fprintf(out, "%d\n", i);  // write the additional numbers

	fclose(out); // close the file
		
	system("pause");
}