#include<stdio.h>
#include<stdlib.h>
void nhap(int *a, int *b);
void in(int *a, int *b);
void main()
{
	int a, b;
	nhap(&a, &b);
	in(&a, &b);
	system("pause");
}
void nhap(int *a, int *b)
{
	printf("a = "); scanf_s("%d", &*a);
	printf("b = "); scanf_s("%d", &*b);
}
void in(int *a, int *b)
{
	printf("%d,%d", *a, *b);
}