#include <stdio.h>
#include <string.h>

int main()
{
	char input[64];
	int len,x;
	
	printf("Enter tonight's pass phrase: ");
	gets(input);
	len = strlen(input);

	for(x=0;x<len;x++)
		input[x] = 0x7F ^ input[x];

	puts("Press Enter to see the encrypted text:");
	getchar();
	for(x=0;x<len;x++)
		putchar(input[x]);
	
	for(x=0;x<len;x++)
		input[x] = 0x7F ^ input[x];

	puts("\nPress Enter to see the text recovered:");
	getchar();
	for(x=0;x<len;putchar(input[x++]))
		;

	return(0);
}