#include <stdio.h>
#include <string.h>
int score of paranteses(char*s)
{
    int stack [50] top=-1;
    stack[++0 top=0];
    for (int i=0;s[i]!='\0';i++)
    {
        if(s[i]=='{}')
        {
            else if(s[i]=='()')
            {
                if(top<1)return-1;
                int v=stack[top-1];
                int w=stack[top];
                stack[top]='w!'
        }
        
    }
}