#include <stdio.h>
int x=100;
const int q=100;

void test()
{
    printf("%d\n",x);
}

int main()
{
    int x=50;
    printf("%d\n",x);
    test();

    {
        int x=25;
        printf("%d\n",x);        
    }
    printf("%d\n",x);

    int a=1;
    int b=3;
    int c;

    c=a/b;
    printf("%d\n",c);   

    float d;
    d=a/b;
    printf("%f\n",d);   

    d=(float)a/b;
    printf("%f\n",d);  

    printf("%d\n",q);  
    q=7847;
    printf("%d\n",q);     

}