#include "stdio.h"
#include "string.h"

struct Stack {
    char symbol[100];
    int size;
};

void pushStack(struct Stack* stack, char symbol){
    stack->symbol[stack->size] = symbol;
    stack->size++;
}

float popStack(struct Stack* stack){
    char c = stack->symbol[stack->size -1];
    stack->size -= 1;
    return c;
}

int main(){

    char string[50]; //0 - 49
    char BB[50]; //0 - 49

    struct Stack stack;
    memset(&stack, 0, sizeof(struct Stack));

    int x = 0;

    scanf("%[^\n]", string);

    strcpy(BB, string);
    int i = 0;

    while (1){

        if( BB[i] == '[' || BB[i] == '(' || BB[i] == '{' || BB[i] == '<'){

            pushStack(&stack, BB[i]);
            BB[i] = ' ';
            x++;
        }

        if( BB[i] == ']' || BB[i] == ')' || BB[i] == '}' || BB[i] == '>'){
            if (x == 0){
                printf ("Read: %s\nUnexpected closing bracket %c in %d\n",string, BB[i], i);
                return 0;
            }

            char c = popStack(&stack);
            if (c =='('){
                c--;
            }

            if (c+2 != BB[i]){
                printf("Read: %s\nCrossed bracket %c in %d, expected %c \n", string, BB[i], i, c+2);
                return 0;
            }
        }

        i++;
        if (i == strlen(string)) break;
    }

    if (stack.size > 0){

        printf("Read: %s\nMissing closing brackets: ", string);
        while (stack.size > 0){
            char c = popStack(&stack);
            if (c =='('){
                c--;
            }
            printf("%c", c+2);
        }
        printf("\n");

        return 0;
    }

    printf("Read: %s\nAll brackets OK\n", string);



    return 0;
}