#include <stdio.h>
int a;
int fn(){
int a=0;
a=a+10;
return a;
}
int main(void) {
int a=1;
fn();
a=a+fn();
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CmludCBhOwppbnQgZm4oKXsKCWludCBhPTA7CglhPWErMTA7CglyZXR1cm4gYTsKfQppbnQgbWFpbih2b2lkKSB7CglpbnQgYT0xOwoJCglmbigpOwoJYT1hK2ZuKCk7CglwcmludGYoIiVkIixhKTsKCXJldHVybiAwOwp9Cg==