extern int __VERIFIER_nondet_int(void);

int foo(int a,int b){
while (a < 30) {
		while (b < a) {
			if (b > 5) {
				b = b + 7;
			} else {
				b = b + 2;
            }
			if (b >= 10 && b <= 12) {
				a = a + 10;
			} else {
				a = a + 1;
            }
		}
		a = a + 2;
		b = b - 10;
	}
return 0;
}