//Blagoja Mladenov
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main() {
    char *c;
    c = (char*) malloc(3 * sizeof(char));
    int **mat;
    mat = (int **)malloc(2000 * sizeof(int *));
    for(int i = 0; i < 2000; i++) {
        *(mat + i) = (int*) malloc(2000 * sizeof(int));
    }
    int *sz = (int*)malloc(2000 * sizeof(int));
    for(int i = 0; i < 2000; i++) {
        *(sz + i) = 0;
    }
    int r = 0;
    while(1) {
        scanf("%s", c);
        if(strcmp(c, "END") == 0) {
            break;
        }
        if(strcmp(c, "AFR") == 0) {
            int n;
            scanf("%d", &n);
            int *tmp = (int*) malloc(n * sizeof(int));
            for(int i = 0; i < n; i++) {
                scanf("%d", (tmp + i));
            }
            int **new = (int**)malloc((r + 1) * sizeof(int*));
            for(int i = 0; i < r; i++) {
                *(new + i + 1) = (int*)malloc((*(sz + i)) * sizeof(int));
                for(int j = 0; j < *(sz + i); j++) {
                    *(*(new + i + 1) + j) = *(*(mat + i) + j);
                }
            }
            *(new) = (int*)malloc(n * sizeof(int));
            for(int i = 0; i < n; i++) {
                *(*(new + 0) + i) = *(tmp + i);
            }
            for(int i = r; i >= 0; i--) {
                *(sz + i) = *(sz + i - 1);
            }
            *sz = n;
            r++;
            for(int i = 0; i < r; i++) {
                for(int j = 0; j < *(sz + i); j++) {
                    *(*(mat + i) + j) = *(*(new + i) + j);
                }
            }
            free(tmp);
            for(int i = 0; i < r; i++) {
                free(*(new + i));
            }
            free(new);
        }
        else if(strcmp(c, "ALR") == 0) {
            int n;
            scanf("%d", &n);
            for(int i = 0; i < n; i++) {
                scanf("%d", (*(mat + r) + i));
            }
            *(sz + r) = n;
            r++;

        }

    }

    free(c);
    free(sz);
    for(int i = 0; i < r; i++) {
        free(*(mat + i));
    }
    free(mat);

    return 0;
}