#include <stdio.h>

int f(char*s){return s[1]?(s[0]-s[1])%2?f(s+1):0:1;}

int main() {
	printf("%d\n",f("#define"));
	printf("%d\n",f("EvenSt-ring$!"));
	printf("%d\n",f("~"));
	printf("%d\n",f("C ode - g ol!f"));
	
	printf("%d\n",f("Hello World"));
	printf("%d\n",f("3.1415"));
	printf("%d\n",f("Code-golf"));
	printf("%d\n",f("Shortest answer in bytes wins"));
	return 0;
}