Check common sum - Stacks

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
#include "Stack.h"

typedef int stack_type;
#define MAXSTACK 100
// create_stack, push, pop, stack_top, stack_is_empty, stack_is_full, stack_size

void main()
{
    Stack s1, s2;

    create_stack(&s1);
    create_stack(&s2);

    push(5, &s1);
    push(4, &s1);
    push(3, &s1);
    push(2, &s1);
    push(1, &s1);

    push(8, &s2);
    push(6, &s2);
    push(4, &s2);
    push(2, &s2);

    int x;

    print_stack(&s1);
    print_stack(&s2);

    int sum1;
    pop(&s1, &sum1);

    int sum2;
    pop(&s2, &sum2);

    while (!stack_is_empty(&s1) || !stack_is_empty(&s2))
    {
        if (sum1 != sum2)
        {
            if (sum1 < sum2)
            {
                pop(&s1, &x);
                sum1 += x;
            }

            else if (sum1 > sum2)
            {
                pop(&s2, &x);
                sum2 += x;
            }
        }

        else
        {
            printf("\n\nResult: %d", sum1);
            break;
        }
    }

    if(stack_is_empty(&s1) && stack_is_empty(&s2) && sum1 != sum2)
        printf("\nDidn't find!");

}

/* Pseudo-Code

create_stack(Q1)
create_stack(Q2)

int sum_q1 =pop(Q1) , sum_q2=pop(Q2)

while isEmpty(Q1) = FALSE or isEmpty(Q2) = FALSE
do:
    if sum_q1 > sum_q2
        sum_q2 += pop(Q2)
    else if sum_q1 < sum_q2
        sum_q1 += pop(Q1)
    else
        return 1

end while

return 0

*/