/**/ #include #include int main(){ int a=0; char c; int sum; printf("Enter an abitrarily long string, ending with carriage return > "); while (1) { if (c == '\n') break; else{ c = getchar(); a += (int) c; }} sum = a % 64 + 22; sum = (char)sum; printf("Check sum is %c\n", sum); return 0;} //**/