#include <stdio.h>

int f11(int b)
{
	int a;
	a = b + 1;
	return a;
}

int f1(int a)
{
	int b;
	b = f11(a) + 1;
	return b;
}

int main()
{
	int a=1;
	int b;
	
	a = f11(a);
	a = f11(a);
	b = f1(a);
	
	printf("a,b: %d,%d\n", a, b);
	
	return 0;
}