1 files changed, 26 insertions, 0 deletions
diff --git a/tests/sysy_lvX/080_unlucky_data.sy b/tests/sysy_lvX/080_unlucky_data.sy
new file mode 100644
index 0000000..f7e92e6
--- /dev/null
+++ b/tests/sysy_lvX/080_unlucky_data.sy
@@ -0,0 +1,26 @@
+int main() {
+	int month[12] = { 31,28,31,30,31,30,31,31,30,31,30,31 };
+	int week = 7;
+	int begin;
+	if (week <= 5)//一月几号开始是周五
+		begin = 1 + 5 - week;//一月几号开始是周五
+	else
+		begin = 8 - (week - 5);
+	int mon = 1;
+	while(mon <= 12) {
+		if (begin == 13) {
+			putint(mon);
+			begin = begin + 7;
+		}
+		else{
+            if (begin != 13){
+			    begin = begin + 7;
+            }
+        }
+		if (begin > month[mon-1]) {
+			begin = begin - month[mon-1];
+			mon = mon + 1;
+		}
+	}
+	return 0;
+}
+\ No newline at end of file