static void checkSquare ( String s1 , String s2 ) {
  int c = Integer . valueOf ( s1 + s2 ) ;
  int d = ( int ) Math . sqrt ( c ) ;
  if ( d * d == c ) {
    System . out . println ( "Yes" ) ;
  }
  else {
    System . out . println ( "No" ) ;
  }
}

static void checkSquare ( String s1 , String s2 ) { int c = Integer . valueOf ( s1 + s2 ) ; int d = ( int ) Math . sqrt ( c ) ; if ( d * d == c ) { System . out . println ( " Yes " ) ; } else { System . out . println ( " No " ) ; } }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier)) (formal_parameter type: (type_identifier) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (identifier)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (cast_expression type: (integral_type) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (identifier))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))) alternative: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))))))