#include <stdio.h>
#include <pthread.h>

int x = 5, y = 3, z = 7;
int a, b, c, w;

void* task1(void* arg){
    a = x + y;
    printf("Task1 : a = %d\n", a);
    return NULL;
}

void* task2(void* arg){
    b = z + 1;
    printf("Task2 : b = %d\n", b);
    return NULL;
}

int main(){
    pthread_t t1, t2;

    pthread_create(&t1, NULL, task1, NULL);
    pthread_create(&t2, NULL, task2, NULL);

    pthread_join(t1, NULL);
    pthread_join(t2, NULL);

    c = a - b;
    w = c + 1;
    printf("c = %d\n", c);
    printf("w = %d\n", w);

    return 0;
}