diff --git a/samples/hello.brc b/samples/hello.brc
index b8fa9d7..e93c560 100644
--- a/samples/hello.brc
+++ b/samples/hello.brc
@@ -1,9 +1,9 @@
-@extern putchar fun: character sint32 -> sint32
+@extern putchar fun: character u32 -> u32
 
-main fun -> sint32
-    text data<sint32> <- "Hello, world!\n"
+main fun -> u32
+    text data<u32> <- "Hello, world!\n"
     
-    rep i sint32 <- 0, text[i] != 0:
+    rep i u32 <- 0, text[i] != 0:
         putchar(text[i])
         i <- i + 1
     ;
diff --git a/samples/test.brc b/samples/test.brc
index 02f3f71..baa3e8f 100644
--- a/samples/test.brc
+++ b/samples/test.brc
@@ -49,11 +49,13 @@ i u32 <- 0, rep text[i] != 0:
 ;*/
 
 main fun -> u32
-    /*num1 u8 <- 42
+    num1 u8 <- 42
     num2 s8 <- 3 - +15
     num3 u32 <- 1234123
-    num4 s32 <- -345345*/
+    num4 s32 <- -345345
     num5 r32 <- -42.58
 
+    num5 + num3
+
     ret 0
 ;
\ No newline at end of file
diff --git a/src/Parser/Expression/ExpressionLiteral.cpp b/src/Parser/Expression/ExpressionLiteral.cpp
index 76238a3..4675d40 100644
--- a/src/Parser/Expression/ExpressionLiteral.cpp
+++ b/src/Parser/Expression/ExpressionLiteral.cpp
@@ -44,10 +44,11 @@ shared_ptr<ExpressionLiteral> ExpressionLiteral::expressionLiteralForToken(share
             expression->u32Value = *charValue;
             return expression;
         }
-        case TokenKind::REAL:
+        case TokenKind::REAL: {
             expression->r32Value = stof(token->getLexme());
             expression->valueType = ValueType::valueTypeForToken(token, nullptr, 0);
             break;
+        }
         default:
             return nullptr;
     }
@@ -63,15 +64,15 @@ bool ExpressionLiteral::getBoolValue() {
 }
 
 uint8_t ExpressionLiteral::getU8Value() {
-    return s32Value;
+    return u8Value;
 }
 
 uint32_t ExpressionLiteral::getU32Value() {
-    return s32Value;
+    return u32Value;
 }
 
 int8_t ExpressionLiteral::getS8Value() {
-    return s32Value;
+    return s8Value;
 }
 
 int32_t ExpressionLiteral::getS32Value() {
diff --git a/src/Parser/Parser.cpp b/src/Parser/Parser.cpp
index cd9b957..bdf291f 100644
--- a/src/Parser/Parser.cpp
+++ b/src/Parser/Parser.cpp
@@ -756,8 +756,8 @@ shared_ptr<Expression> Parser::matchPrimary() {
         return expression;
 
     expression = matchExpressionArrayLiteral();
-        if (expression != nullptr || errors.size() > errorsCount)
-            return expression;
+    if (expression != nullptr || errors.size() > errorsCount)
+        return expression;
 
     expression = matchExpressionLiteral();
     if (expression != nullptr || errors.size() > errorsCount)
diff --git a/src/Parser/ValueType.cpp b/src/Parser/ValueType.cpp
index 0230362..566342b 100644
--- a/src/Parser/ValueType.cpp
+++ b/src/Parser/ValueType.cpp
@@ -37,6 +37,7 @@ shared_ptr<ValueType> ValueType::valueTypeForToken(shared_ptr<Token> token, shar
         case TokenKind::BOOL:
             return make_shared<ValueType>(ValueTypeKind::BOOL, nullptr, 0);
         case TokenKind::INTEGER_DEC:
+            return make_shared<ValueType>(ValueTypeKind::S32, nullptr, 0);
         case TokenKind::INTEGER_HEX:
         case TokenKind::INTEGER_BIN:
         case TokenKind::INTEGER_CHAR: