Main sample was improved.

main.yepc

@@ -9,6 +9,8 @@ record #li11 {
 int #at11 (int #ba12, #ca23[]; bool #do43, #el32; int #fo12)
 {
 	int #gn11, #ho12[100];
+	real #el72;
+	#el72 = 72.20;
 	#po11 #aP11; #li11 #aL11;
 	#li11 #tw33[2];
     	#aP11.#xx11 = 666; #aP11.#yy11 = 667;
@@ -26,8 +28,19 @@ int #at11 (int #ba12, #ca23[]; bool #do43, #el32; int #fo12)
             	else if (#fo12 .ne 0) #fo12 += 7;
         	}
     	}
+	#fo12 = ?5;
+	switch (#fo12) {
+		case 0:
+			#fo12++;
+			break;
+		case 1:
+			#fo12--;
+			break;
+		default:
+			break;
+	}
     	return (#fo12+#ba12 *#ca23 [#ba12])/- #fo12;
 }
 // note that functions are defined using a statement
 int #ma11(int #aa11, #bb11)
-	if (#aa11>#bb11) return #aa11; else return #bb11;
+	if (#aa11 .gt #bb11) return #aa11; else return #bb11;