let f1(b) { 
	if (b==0) then 0 else f1(b-1) 
}
f2(a,b) {
	if (a>b) then f1(a) else f1(b);
	let g(c) {
		a*b*c
	} 
	in g(a*b) 
}
in f1(10); f2(10, let max(a,b) { 
					if (a>b) then a else b 
				  } 
				  in max(20,30) )