diff --git a/src/parser.ts b/src/parser.ts
index 2d8c718..51d7765 100644
--- a/src/parser.ts
+++ b/src/parser.ts
@@ -141,7 +141,7 @@ export class Parser {
         const startToken = this.peek();
         const statements: Stmt[] = [];
         while (!this.isAtEnd()) {
-            if (this.match(TokenType.NEWLINE)) {
+            if (this.match(TokenType.NEWLINE) || this.match(TokenType.DEDENT)) {
                 continue;
             }
             statements.push(this.stmt());
diff --git a/src/tokenizer.ts b/src/tokenizer.ts
index 624d4b9..3d69cfb 100644
--- a/src/tokenizer.ts
+++ b/src/tokenizer.ts
@@ -265,12 +265,19 @@ export class Tokenizer {
                 while (this.isDigit(this.peek())) {
                     this.advance();
                 }
+                
+                if (this.peek() !== '.' && this.peek() !== 'e') {
+                    this.addToken(TokenType.BIGINT);
+                    return;
+                }
+                
                 if (this.peek() === '.') {
                     this.advance();
                     while (this.isDigit(this.peek())) {
                         this.advance();
                     }
                 }
+                
                 if (this.peek() === 'e') {
                     this.advance();
                     if (this.peek() === '-') {