#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 stack_size[50]; //0 - 49

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

    int x = 0;

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

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

    while (i <= strlen(string)){

        if (stack_size[i] != '[' && stack_size[i] != '(' && stack_size[i] != '{' && stack_size[i] != '<'){

        }

        else {
            pushStack(&stack, stack_size[i]);
            stack_size[i] = ' ';
            x++;
        }

        if( stack_size[i] != ']' && stack_size[i] != ')' && stack_size[i] != '}' && stack_size[i] != '>'){

        }

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

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

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

        i++;
        //if () 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;
}