'BEGIN' 'COMMENT' LIBRARY 1; 'INTEGER' I; 'SWITCH' S := S1, S2, S3, S4; 'FOR' I := 1, 2, 3 'DO' 'BEGIN' 'GOTO' S[I]; S1 :; 'IF' I # 1 'THEN' OUTREAL(99, I) 'ELSE' S2 : 'IF' I # 2 'THEN' OUTREAL(99, I) 'END'; S3 :; OUTREAL(99, I); 'GOTO' S[I + 1]; S4 :; OUTREAL(99, I) 'END'