#include<stdio.h>

int bar(int *x, int y){
	*x = 50;
	return 104;
}

void foo(int x, int *y){
	*y = x;
}

int main(){
	int x = 6;
	int y = 200;
	foo(bar(&y, x), &x);
	printf("x = %d, y = %d\n", x, y);
	return 0;
}