Add example inputs

examples/leap_year/leap_year.mc

@@ -0,0 +1,36 @@
+bool isLeapYear(int n)
+{
+  if ((modulo(n,4) == 0 && modulo(n,100) != 0) || (modulo(n,400) == 0)){
+    return true;
+  }
+  return false;
+}
+
+int modulo(int k, int i)
+{
+  while (k > 0){
+    k = k - i;
+  }
+  return k;
+}
+
+int main()
+{
+  print("Please enter a year: ");
+  print_nl();
+
+  int n;
+  n = read_int();
+
+  print_int(n);
+  if (isLeapYear(n)){
+    print(" is a leap year.");
+  }
+  else
+  {
+    print(" is not a leap year.");
+  }
+  print_nl();
+
+  return 0;
+}

examples/leap_year/leap_year.stdin.txt

@@ -0,0 +1 @@
+2020

examples/leap_year/leap_year.stdout.txt

@@ -0,0 +1,2 @@
+Please enter a year: 
+2020 is a leap year.