#include<stdio.h>

	int main()
	{
		int *ptr_one;

		ptr_one = (int *)malloc(sizeof(int));

		if (ptr_one == 0)  {
			printf("ERROR: Out of memory\n");
			return 1;
		}

		*ptr_one = 25;
		printf("%d\n", *ptr_one);

		free(ptr_one);

		return 0;
	}