5-7

#include<stdio.h>
int x;
int f();
int main(void)
{
    int a = 1;


    x = a;
    a = f();
    {
        int b = 2;
        b = a + b;
        x = x + b;
    }
    printf("%d %d",a,x);

    return 0;
}


int f()
{
    int x = 4;

    return x;
}