diff --git a/Main.c b/Main.c
index a2aac27dc4a2e834b1be0f19f884c3b4c64a4b79..5c3a1c2892be8882f5ed590aa5c4527df4141741 100644
--- a/Main.c
+++ b/Main.c
@@ -3,6 +3,7 @@
 #include <libemb/serial/serial.h>
 #include <libemb/conio/conio.h>
 
+void FlashLED(int outputSignal);
 
 int main(void) {
 
@@ -11,46 +12,59 @@ int main(void) {
     BCSCTL1 = CALBC1_1MHZ;
     DCOCTL  = CALDCO_1MHZ;
 
-    P1DIR |= 0b01000001; // Prime for output on P1.0 and P1.6
-    //P1OUT |= 0b01000001; // Output signal
+    P1DIR = 0b01000001; // Prime for output on P1.0 and P1.6
+    P1OUT = 0b00000000; // Output no signal at first.
 
     serial_init(9600);
 
     // Initialize variables.
     char input;
+    int outputSignal = 0b00000000;
     unsigned int inputInt;
     unsigned int remainder;
 
     for(;;) {
         char c = cio_getc();
-        cio_printf("Debugging: c = %c \n\r", c);
-    }
-
-    return 0;
-}
-
-
-
-/*
-
-    for (;;) {
-        // Read input.
-        char c = cio_getc();
-        cio_printf("Debugging: c = %c \n", c);
+        cio_printf("   Debugging: c = %c \n\r", c);
 
         // If return key is hit,
-        if (c == "\n\r") {
+        if (c == '\r') {
             // Determine even or odd and output signal.
             inputInt = input - '0';
-            cio_printf("Debugging: inputInt = %u \n", inputInt);
+            cio_printf("   Debugging: inputInt = %u \n\r", inputInt);
             remainder = inputInt % 2;
-            cio_printf("Debugging: remainder = %u \n", remainder);
+            cio_printf("   Debugging: remainder = %u \n\r", remainder);
+
+            // Set LED's accordingly. Even flash green. Odd flash red.
+            if (remainder == 0) {
+                // Set green for signal.
+                cio_printf("   Debugging: Even. Green. \n\r");
+                outputSignal = 0b01000000;
+                FlashLED(outputSignal);
+            } else {
+                // Output red for signal.
+                cio_printf("   Debugging: Odd. Red. \n\r");
+                outputSignal = 0b00000001;
+                FlashLED(outputSignal);
+            }
         } else {
             // Save value for return key.
             input = c;
-            cio_printf("Debugging: input = %c \n", input);
-        }
+            cio_printf("   Debugging: input = %c \n\r", input);
+        }        
     }
 
     return 0;
-}*/
+}
+
+
+void FlashLED(int outputSignal) {
+    // Output LED signal.
+    for (int i = 0; i < 10; i++) {
+        P1OUT = 0b00000000;
+        __delay_cycles(100000);
+        P1OUT = outputSignal;
+        __delay_cycles(100000);
+    }
+}
+