#include "Memory_lib.h"
using namespace std;
int Memory(int N, int M) {
int a = M & ((1<<7)-1); M >>= 7;
if (a == N) return -1;
if (a > N) return -2;
int b = M & ((1<<7)-1); M >>= 7;
if (b >= N || b < a) return -2;
int c = M & ((1<<7)-1); M >>= 7;
if (c > b-a) return -2;
char ch = Get(b+1);
if (a == b) {
if (ch == '<') return (c<<14) | ((b+1)<<7) | a;
else if (ch == '[') return (1<<21) | (c<<14) | ((b+1)<<7) | a;
else if (a == 0) return -2;
else return (c<<14) | ((b+1)<<7) | (a+1);
}
else {
if (ch == '<' || ch == '[') return (M<<21) | ((c+1)<<14) | ((b+1)<<7) | a;
if (c > 0) return (M<<21) | ((c-1)<<14) | ((b+1)<<7) | a;
if (ch == '>' && M == 1) return -2;
if (ch == ']' && M == 0) return -2;
return ((a+1)<<7) | (a+1);
}
}
