// kamila szewczyk, 2020

#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>

const uint8_t * xlat1 = "+b(29e*j1VMEKLyC})8&m#~W>qxdRp0wkrUo[D7,X"
    "TcA\"lI.v%{gJh4G\\-=O@5`_3i<?Z';FNQuY]szf$!BS/|t:Pn6^Ha";

uint8_t assembly(uint8_t c) {
    switch(c) {
        case 'i': return 4;
        case '<': return 5;
        case '/': return 23;
        case '*': return 39;
        case 'j': return 40;
        case 'p': return 62;
        case 'o': return 68;
        case 'v': return 81;
    }

    fprintf(stderr, "invalid character: %d (%c)\n", c, c);
}

uint8_t decodeInt(uint8_t code, uint64_t position) {
    return xlat1[(((uint64_t) code) - 33ull + position) % 94];
}

void normalize(void) {
    uint64_t t = 0; int8_t ct;
    while((ct = getchar()) != EOF) {
        if(ct > 32)
            putchar(decodeInt(ct, t));
        t++;
    }
}

uint8_t encodeInt(uint64_t code, uint64_t position) {
    int8_t t = (code - position % 94 + 94) % 94;
    if(t < 33)
        t += 94;
    return t;
}

void assemble(void) {
    uint64_t t = 0; int8_t ct;
    while((ct = getchar()) != EOF) {
        if(ct > 32)
            putchar(encodeInt(assembly(ct), t));
        t++;
    }
}

int main(int argc, char * argv[]) {
    if(argv[1][0] == 'e')
        assemble();
    else if(argv[1][0] == 'd')
        normalize();
}