#include <stdio.h>
char stack[10000];
int top;

int readline( char *str ) {
        char ch;
    int i = 0;
        while ( ( ch = getchar() ) != '\n' ) {
                *str++ = ch;
        i++;
    }
        *str ='\0';
        return i;
}
void eval( int n , char * array , int l) {

    int ans = 0;
    top = -1;
    int i = 0;
    for( i = 0 ; i < l ; i++ ) {
        if( array[i] == '{' ) {
            top++;
            stack[top] = '{';
            //printf("Pushing : top = %d\n" , top);
            /* Top points to the location -> last element */
        }
        else if ( array[i] == '}' ) {
            if ( top == -1 ) {
                top++;
                stack[top] = '{';
                ans ++;
                //printf("Error case Pushing : top = %d and ans = %d\n" , top, ans);
            }
            else if ( top != -1 ) {
                if( stack[top] == '{' ) {
                    top--;
                    //printf("Popping : top = %d\n" , top);
                }
                else {
                    top++;
                    stack[top] = '{';
                    //printf("Pushing : top = %d and ans = %d\n" , top, ans);
                }
            }
        }
    }
    //printf("TOP = %d ans = %d\n" , top , ans);    
    if ( l == 0 )
        printf("%d. %d\n" , n , 0);
    else {
        if( top == -1  && ans == 0 )
            printf("%d. %d\n" , n , 0);
        else {
            //printf("TOP = %d ans = %d\n" , top , ans);
            printf("%d. %d\n" , n , ((top+1)/2) + ans);
        }
    }
}

int main( int argc , char * argv[] ) {
    char array[10000];
    int l = 0 , i = 0;;
    while ( 1 ) {

        l = readline(array);
        if( array[0] == '-' )
            break;
        i++;
        eval(i,array,l);

    }
    return 0;
}