#include <stdio.h>

int main() {
	unsigned int nya;
	scanf("%u", &nya);
	const unsigned int i_ebx = *(const unsigned int *)"Genu";
	const unsigned int i_edx = *(const unsigned int *)"ineI";
	const unsigned int i_ecx = *(const unsigned int *)"ntel";
	
	const unsigned int a_ebx = *(const unsigned int *)"Auth";
	const unsigned int a_edx = *(const unsigned int *)"enti";
	const unsigned int a_ecx = *(const unsigned int *)"cAMD";
	
	printf("%u", nya^i_ebx^i_edx^i_ecx ^ a_ebx^a_edx^a_ecx);

}