#include <stdio.h>


crypto(unsigned ch, unsigned k, unsigned n);


int main(int argc, const char * argv[]) {

    unsigned k, n;

   // Usage: rsa k n

   // where k is either e or d

    

    char ch, cch; // ch is the input character and cch the output character

    while ((ch = getchar()) != EOF) {

        cch = crypto(ch, k, n);

        putchar(cch);

    }

    return 0;

}


crypto(unsigned ch, unsigned k, unsigned n){

    unsigned cch;

    cch = ch; //replace this with your encryption code

    //you will have to use your own function for calculating a remainder of division

    return cch;

}