1signal input b <== 3;
 2signal o[44] <-- 2;
 3a[1][2].b[3] <== 4
 4function f(a,b) {
 5	c=a+b;
 6}
 7
 8component b(b1,b2) {
 9	b1 <== b2[3].pin[4]
10}