--- esK.py-	2016-09-08 00:00:00.000000000 +0900
+++ esK.py	2016-09-08 01:00:00.000000000 +0900
@@ -239,7 +239,7 @@ def es_split(s):
 		'br_e' : [ ')', ']', '}' ],
 		'op' : ops_flat,
 		'type' : [ 'int', 'char', 'void' ],
-		'kwd' : [ 'return' ],
+		'kwd' : [ 'return', 'if', 'else' ],
 		'spc' : [ ' ', '\t', '\n' ],
 		'etc' : [ ';', ',' ],
 	}
@@ -324,6 +324,8 @@ def do_op2(v, a, b, info):
 		return a * b
 	if v == '/':
 		return a / b
+	if v == '==':
+		return a == b
 
 	warn_no_sup('do_op2', 'v', v)