#include "stdio.h"

typedef unsigned char   uint8;
void showBinary(const char* name, int c)
{
    char res[32] = {};
    char* p = &res[31];
    for (int i = 8; i--; c >>= 1){
        *--p = (c & 1) + '0';
    }
    printf("%s = %s", name, p);
}

int opcode(uint8 op, uint8 data[], uint8 mem[])
{
    switch (op)
    {
    case 0x40u: 
    case 0x44u: mem[data[0]] = data[1]; return 0;       // 写入
    case 0x4au: data[0] = mem[data[0]]; showBinary("read", data[0]); return 1;       //读取
    case 0x88u: data[0] = data[0] + data[1]; showBinary("add", data[0]); return 1;  //加法
    }
    return 1;
}

int opcodeParser(const char* p, uint8 data[])
{
    int a;
    for (a = 0; *p; ++p){
        if (*p == ' '){ ++p; break; }
        a = (a << 1) | (*p - '0');
    }
    data[0] = (uint8)a;
    if (*p == 0) return 1u;

    for (a = 0; *p; ++p){
        if (*p == ' '){ ++p; break; }
        a = (a << 1) | (*p - '0');
    }
    data[1] = (uint8)a;
    if (*p == 0) return 2u;

    for (a = 0; *p; ++p){
        if (*p == ' '){ ++p; break; }
        a = (a << 1) | (*p - '0');
    }
    data[2] = (uint8)a;
    if (*p == 0) return 3u;
}

int main()
{
    uint8 mem[256] = { 0 };
    mem[0] = 0x40u;
    mem[1] = 0x88u;
    mem[2] = 0x4au;
    mem[0x10] = 0x1u;
    mem[0x11] = 0x2u;
    mem[0x12] = 0x3u;

    int cnt = 0;
    scanf("%d", &cnt);

    char ss[64] = {};
    gets(ss);

    int cmd = 0;
    for (int i = cnt; i--;){
        gets(ss);
        uint8 data[8] = {};
        opcodeParser(ss, data);
        cmd += opcode(mem[data[0]], data + 1, mem);
    }
    return 0;
}