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

struct Elem {
    int v;
    char *k;
    struct Elem *parent, *left, *right;
};

struct Elem *InitBinarySearchTree()
{
    struct Elem *t = NULL;
    return t;
}

struct Elem *Descend(struct Elem *t, char *k)
{
    struct Elem *x = t;
    while (x != NULL && 0 != strcmp(k, x->k)) {
        if ((int)strlen(k) < (int)strlen(x->k)) x = x->left;
        else x = x->right;
    }
    return x;
}

struct Elem *Insert(struct Elem *t, char *k, int v) {
    struct Elem *y = (struct Elem *)malloc(sizeof(struct Elem));
    y->parent = NULL;
    y->left = NULL;
    y->right = NULL;
    y->k = k;
    y->v = v;
    if (t == NULL) {
        t = y;
        return t;
    }
    else {
        struct Elem *x = t;
        for (;;) {
            if ((int)strlen(k) < (int)strlen(x->k)) {
                if (x->left == NULL) {
                    x->left = y;
                    x->parent = x;
                    break;
                }
                x = x->left;
            }
            else {
                if (x->right == NULL) {
                    x->right = y;
                    x->parent = x;
                    break;
                }
                x = x->right;
            }
        }
        return t;
    }
}

void SuperFree(struct Elem *t)
{
    if (t != NULL) {
        if (t->left != NULL) SuperFree(t->left);
        if (t->right != NULL) SuperFree(t->right);
        free(t->k);
        free(t);
    }
}

int main()
{
    char a[8];
    char cur[100];
    cur[0] = 0;
    scanf("%s\n", a);
    int pos = 0, num = -777, i, id = 0, n = atoi(a), len = 0, j;
    char *expr = (char*)malloc((n + 1) * sizeof(char));
    gets(expr);
    n = (int)strlen(expr);
    struct Elem *t = InitBinarySearchTree(), *now = NULL;
    for (i = 0; i < n; i++) {
        if (len == 0 && (expr[i] == '0' || expr[i] == '1' || expr[i] == '2' || expr[i] == '3' || expr[i] == '4' || expr[i] == '5' || expr[i] == '6' || expr[i] == '7' || expr[i] == '8' || expr[i] == '9')) {
            if (num == -777) {
                num = (int)expr[i] - 48;
            }
            else num = num * 10 + (int)expr[i] - 48;
        }
        else {
            if (len == 0 && num != -777) {
                printf("CONST %d\n", num);
                num = -777;
            }
            if (len != 0 && (expr[i] == '+' || expr[i] == '-' || expr[i] == '*' || expr[i] == '/' || expr[i] == '(' || expr[i] == ')' || expr[i] == ' ')) {
                pos = 0;
                now = NULL;
                if (t != NULL) now = Descend(t, cur);
                if (now == NULL) {
                    char *curr = (char*)malloc((len + 1) * sizeof(char));
                    for (j = 0; j < len; j++) curr[j] = cur[j];
                    curr[j] = 0;
                    t = Insert(t, curr, id);
                    printf("IDENT %d\n", id);
                    id++;
                } else printf("IDENT %d\n", now->v);
                len = 0;
            }
            if (expr[i] == '+') {
                printf("SPEC 0\n");
                continue;
            }
            if (expr[i] == '-') {
                printf("SPEC 1\n");
                continue;
            }
            if (expr[i] == '*') {
                printf("SPEC 2\n");
                continue;
            }
            if (expr[i] == '/') {
                printf("SPEC 3\n");
                continue;
            }
            if (expr[i] == '(') {
                printf("SPEC 4\n");
                continue;
            }
            if (expr[i] == ')') {
                printf("SPEC 5\n");
                continue;
            }
            if (expr[i] != ' ') {
                cur[pos] = expr[i];
                pos++;
                cur[pos] = 0;
                len++;
            }
        }
    }
    if (len != 0) {
        pos = 0;
        len = 0;
        if (t != NULL) now = Descend(t, cur);
        else now = NULL;
        if (now == NULL) {
            Insert(t, cur, id);
            printf("IDENT %d\n", id);
            id++;
        } else printf("IDENT %d\n", now->v);
    }
    free(expr);
    SuperFree(t);
    return 0;
}