#include<stdio.h>

float add_them(float x, float y){
	int c = 42;
	return x + y;
}

int main(){
	int a = 29;
	printf("hi\n");
	printf("a = %d\n", a);
	printf("%f\n", add_them(5.12, 3.1415));

	return 0;
}