function main: (array[string] args) -> int {
	 string s1 = "abcd";
	 string s2 = "aba";
	 string s = s1+s2;

	 print(s);
	 printc(10);
	 printi(lengthof s);
	 printc(10);

	 if (s1 > s2) 
	     print("greater than\n");
	 else 
	     print("less or equal\n");
}