Negative days completion.

programs/lst34/main.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+
+int main(void) {
+    int n;
+
+    printf("Input integer: ");
+    scanf("%d", &n);
+
+    if (n % 2)
+        puts("The integer is odd.");
+    else
+        puts("The integer is even.");
+    
+    return 0;
+}