typedef enum {false,true} bool;

extern int __VERIFIER_nondet_int(void);

int main() {
    int x;
    int y;
    x = __VERIFIER_nondet_int();
    y = __VERIFIER_nondet_int();
    
    while (x + y > 0) {
        if (x > y) {
            x = x-1;
        } else {
            if (x == y) {
                x = x-1;
            } else {
                y = y-1;
            }
        }
    }
    
    return 0;
}