#include <stdio.h>

int sum_i(int a, int b)
{
	int c;
	c = a + b;
	printf("Inside sum_i: %d + %d = %d\n", a, b, c);
	return c;
}

float sum_f(float a, float b)
{
	float c;
	c = a + b;
	printf("Inside sum_f: %f + %f = %f\n", a, b, c);
	return c;
}

int main()
{
	float a = 4.2, b = 3.6, c;
	int x = 4, y = 3, z;

	c = sum_f(a, b);
	z = sum_i(x, y);

	printf("%f + %f = %f\n", a, b, c);
	printf("%d + %d = %d\n", x, y, z);
}