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

#define MAX_STACK 1024
typedef struct
{
    char data[MAX_STACK];
    int sp;
} stack;

static char *ReadLine(char *p, size_t size, FILE *fp)
{
    if ((p=fgets(p, size, fp)))
    {
        size_t l = strlen(p);

        while(l && p[l-1] == '\n')
        {
            p[--l] = 0;
        }
    }

    return p;
}

static char AnyOpen(int c)
{
    switch(c)
    {
        case '(':
            return 1;
        case '[':
            return 1;
        case '{':
            return 1;
        case '<':
            return 1;
        default:
            return 0;
    }
}

static char AnyClose(int c)
{
    switch(c)
    {
        case ')':
            return 1;
        case ']':
            return 1;
        case '}':
            return 1;
        case '>':
            return 1;
        default:
            return 0;
    }
}

static char Close(int fromopen)
{
    switch(fromopen)
    {
        case '(':
            return ')';
        case '[':
            return ']';
        case '{':
            return '}';
        case '<':
            return '>';
        default:
            return 0;
    }
}

static void Push(stack *s, char c)
{
    if (s->sp == MAX_STACK)
    {
        printf("Stack too big!\n");
        exit(1);
    }

    s->data[s->sp++] = c;
}


static char Pop(stack *s)
{
    if (s->sp == 0)
    {
        printf("Stack too small!\n");
        exit(1);
    }

    return s->data[--s->sp];
}


static int SyntaxError(char *p)
{
    char c = 0;
    int score = 0;
    stack s = {0};

    while((c = *p++))
    {
        if (AnyOpen(c))
        {
            Push(&s, c);
        }

        if (AnyClose(c))
        {
            char close = Close(Pop(&s));

            if (close != c)
            {
                if (c == ')')
                {
                    return 3;
                }

                if (c == ']')
                {
                    return 57;
                }

                if (c == '}')
                {
                    return 1197;
                }

                if (c == '>')
                {
                    return 25137;
                }

                printf("Unexpected character %c\n", c);
            }
        }
    }

    return 0;
}


int main(void)
{
    char buff[0x8000];
    int sum = 0;
    int score = 0;
    int f = 0;

    while(ReadLine(buff, sizeof buff, stdin))
    {
        score = SyntaxError(buff);
        sum += score;
    }

    printf("sum = %d\n", sum);

    return 0;
}