#include <iostream>
#include <cstdlib>
using namespace std;

//Input a series of characters, and output them with even parity added.

int main()
{
	for (;;) {
		char c {'\0'};  //Put 00000000 into c.
		cin >> c;       //Input the next non-whitespace character

		if (!cin) {
			break;  //Assume the input failed because we reached 
		}	        //end of input

		int count {0};  //count how many of the bits of c are 1's
		
		for (int i {0}; i < 7; ++i) { //Loop through the 7 low bits of c
			if ((c >> i) & 0x1) { //if bit number i is not 0
				++count;
			}
		}

		if (count % 2 == 1) {   //if the count was odd
		   	//Turn on bit 7 of c.  0x80 is 10000000
			c |= 0x80;      //means c = c | 0x80
		}

		cout << c;
	}

	return EXIT_SUCCESS;
}